Blanding`s Turtle Headstarting Manual
Transcription
Blanding`s Turtle Headstarting Manual
! Turtles In The Classroom Blanding’s Turtle Conservation and Headstarting Care Manual By!Bryan!Windmiller,!©!Grassroots!Wildlife!Conservation!2015! ! ! CHAPTER!1:!! ! ! BACKGROUND!ON!BLANDING’S!TURTLE! CONSERVATION!PROGRAMS! Text!by!Bryan!Windmiller! Design!by!Emilie!Schuler! ©Grassroots!Wildlife!Conservation,!Inc! August!2015! 1 2 Section!I:!Introduction! Threatened)Turtles! Turtles!are!great!survivors.!!The!very!successful!turtle!body!plan,!with!an!armored!top!shell! (carapace)!and!body!shell!(plastron)!first!evolved!more!than!210!million!years!ago.!!Turtles! swam!and!walked!on!Earth!long!before!the!first!mammals,!before!the!first!birds,!before!the!first! flowering!plants,!even!before!the!first!lizards,!snakes!or!crocodiles.!!Around!the!world,!turtles! have!adapted!to!most!available!habitats,!from!the!open!ocean,!to!torrid!deserts,!from!rainforest! streams,!to!frigid!northern!lakes.! ! Yet!now,!turtles!worldwide!are!in!trouble.!!Turtles! have!not!fared!well!as!we!humans!have! increasingly!taken!control!of!the!world’s!ecology.!! The!turtles’!shell!may!protect!it!from!predators,! but!offers!no!protection!from!cars,!from!the! draining!of!swamps!and!wetlands,!the!damming! and!pollution!of!rivers,!and!the!hunting!of!many! turtle!species!for!food!and!traditional!medicines.!! Today,!of!the!328!described!turtle!species,!more! than!half!(54%)!are!threatened!with!extinction,!a! Fig.)1:)Turtles)often)need)to)cross)roads)to)access) fragmented)wetlands,)find)a)good)nesting)location,) proportion!far!higher!than!for!other!groups!of! familiar!organisms!(birds!13%!threatened!species,! or)search)for)a)mate.)) mammals!25%;!amphibians!41%,!flowering!plants! (Photo)by)Emilie)Schuler)) 33%:!Rhodin!et!al.!2010!and!Joppa!et!al.!2010).!!Locally,!in!Massachusetts,!of!the!eight!species!of! native!freshwater!and!land!turtles,!five!are!listed!as!rare!species!in!need!of!protection.! One)Threatened)species,)Two)conservation)Projects) ! !The!Blanding’s!turtle,!Emydoidea)blandingii,!ranks!near! the!top!of!the!most!threatened!species!of!turtles!in!the! northeastern!United!States.!!It!is!possible!that!fewer!than! 3,000!individuals!of!this!relatively!large!and!gentle! freshwater!turtle!species!remain!in!Pennsylvania,!New! York,!Massachusetts,!New!Hampshire,!and!Maine! combined.!!In!Massachusetts,!where!most!of!the! northeastern!Blanding’s!turtles!live,!only!three! populations!are!currently!known!to!have!50!or!more! adult!turtles.!They!are:!Oxbow!National!Wildlife!Refuge! ) and!surrounding!areas!in!Harvard!and!Ayer,!MA!(with! Fig.)2:)Blanding’s)turtle)at)Great) perhaps!600!adult!Blanding’s!turtles);!the!upper!Parker! Meadows)NWR.)(Photo)by)Emilie)Schuler)) River!drainage!in!Georgetown,!Groveland,!and!Boxford,! MA!(with!perhaps!100!adults),!and!Great!Meadows!National!Wildlife!Refuge!and!surrounding! areas!in!Concord!and!Carlisle,!MA!(with!perhaps!60!adults,!about!50!of!which!live!at!Great! Meadows).!! Many!conservationists!from!the!U.S.!Fish!and!Wildlife!Service!and!Massachusetts!Division!of! Fisheries!and!Wildlife,!as!well!as!private!nonbprofit!organizations,!such!as!Grassroots!Wildlife! Conservation,!and!committed!individuals!are!currently!working!to!make!sure!that!Blanding’s! ! 2! 3 turtles!not!only!remain!in!Massachusetts,!but!that!they!recover!some!of!the!abundance!that!this! species!has!lost!in!recent!decades.!!Your!2015!hatchling!Blanding’s!turtles!are!part!of!one!of!two! ongoing!conservation!projects:! Helping)Blanding’s)Turtles)Recover)at) Great)Meadows)National)Wildlife)Refuge) Restoring)a)Blanding’s)Turtle)Population) at)Assabet)River)National)Wildlife)Refuge) The!U.S.!Fish!and!Wildlife!Service,!working! together!with!Blanding’s!turtle!researcher,!Brian! Butler,!decided!to!take!Blanding’s!turtle! conservation!in!Massachusetts!one!step!further!in! recent!years!and!rebestablish!a!population!of! Blanding’s!turtles!that!probably!once!existed!in! the!great!wetland!habitats!within!Assabet!River! National!Wildlife!Refuge!in!Sudbury!and!Maynard,! MA.!!This!refuge,!which!was!recently!established! in!the!year!2000,!lies!close!to!several!known!small! Blanding’s!turtle!populations!but!turtle!trapping! suggested!that!no!Blanding’s!turtles!were!living!in! ARNWR!at!the!time!of!its!establishment.! ! That!all!changed!in!2008,!when!biologists!with!the! U.S.!Fish!and!Wildlife!Service!and!Oxbow!Wetland! Associates!began!releasing!young!Blanding’s! turtles!from!the!nearby!Oxbow!National!Wildlife! Refuge!into!wetland!habitat!at!the!Assabet!River! National!Wildlife!Refuge.!!Since!2008,!more!than! 400!headstarted!Blanding’s!turtles!and!a!similar! number!of!hatchlings!that!were!moved!directly! from!nests!at!Oxbow!without!any!headstarting! have!been!released!at!ARNWR.!!Recent!trapping! and!radiotracking!by!U.!of!Georgia!graduate! student!Jared!Green!indicates!that!many!of!these! turtles,!particularly!those!that!were!headstarted,! are!alive!and!thriving!at!ARNWR.! The!Blanding’s!turtle!population!at!Great! Meadows!has!declined!by!more!than!55%!since! the!early!1970’s!from!about!115!adults!to!about! 50!adults!today.!!The!primary!reason!has!been! that!few!Blanding’s!turtles!have!survived!from! egg!to!adulthood!in!recent!decades!to! counterbalance!mortality!among!the!generally!old! adults.! Since!2003,!Bryan!Windmiller!and!Grassroots! Wildlife!Conservation!has!worked!with!the!U.S.! Fish!and!Wildlife!Service!to!assess!the!status!of! Blanding’s!turtles!at!Great!Meadows!and!to!help! this!population!eventually!recover!to!a!stated!goal! of!at!least!200!adults.!!We!work!to!increase!the! likelihood!of!young!turtles!surviving!from!egg!to! adulthood!through:!1)!protecting!nests!from! predators,!2)!headstarting!young!Blanding’s! turtles!for!about!nine!months!before!releasing! them!back!into!Great!Meadows,!3)!enhancing! habitat!for!juvenile!Blanding’s!at!Great!Meadows,! and!4)!reintroducing!juveniles!to!the!large! adjacent!conservation!area!of!Estabrook!Woods! (Concord!and!Carlisle,!MA).!!The!young!Blanding’s! turtles!are!headstarted!at!more!than!a!dozen!local! schools!and!also!at!Zoo!New!England!and!the!New! England!Aquarium.! Between!2008!and!2015,!we!released!a!total!of! 347!headstarted!young!Blanding’s!turtles!into! Great!Meadows.!Through!radiobtracking!more! than!100!of!those!turtles!after!release,!we! estimate!that!nest!protection!and!headstarting! together!will!increase!the!likelihood!of!Blanding’s! turtles!at!Great!Meadows!surviving!from!egg!to! adulthood!by!more!than!30bfold!!!!! ! 3! 2 1 Section!II:!Blanding’s!Turtle!Ecology!and!Natural!History! Range! Blanding’s!turtles!occur!in!four!disjunct!areas!in!the! United!States!and!Canada!(Fig.!3).!!Most!Blanding’s! turtles!occur!in!a!contiguous!area!that!extends!from! Nebraska!northeast!around!the!Great!Lakes!to!the! upper!St.!Lawrence!River!valley!of!New!York!and! Ontario.!!The!second!largest!grouping!occurs!in!New! England!from!eastern!Massachusetts!to!southern! New!Hampshire!and!southern!Maine.!!The!other! small!disjunct!areas!are!in!New!York’s!lower! Hudson!River!valley!and!southern!Nova!Scotia.! ! Blanding’s!turtles!are!considered!a!rare!or! protected!species!in!every!state!and!province!in! which!they!occur!except!for!Nebraska!(Congdon!and! Fig.)3:)Blanding’s)turtle)current)range)map.) (Courtesy)of)NY)Dept.)of)Env.)Conservation)) Keinath,!2006).!!The!New!England!and!southern! New!York!populations!of!Blanding’s!turtles!are!particularly!threatened!and!turtles!within!this! portion!of!the!species!range!may!be!proposed!as!“Threatened”!under!the!U.S.!Endangered! Species!Act.! ! Habitat) Blanding’s!turtles!are!predominately!aquatic!turtles!and!usually!spend!the!great!bulk!of!their! lives!in!the!water!in!a!variety!of!wetland!types.!!Overall,!Blanding’s!turtle!favor!open!canopy! wetlands!(without!tree!cover)!with!soft,!mucky!bottoms!and!very!thick!shrub!and!herbaceous! (softbstemmed)!plant!cover.!!Locally,!we!characteristically!find!adult!Blanding’s!turtles!in!water! depths!of!1b4!feet!with!younger!turtles!favoring!the!shallower!areas!of!wetlands.!!Buttonbush,! sweet!gale,!and!cattails!are!all!plants!commonly!associated!with!Blanding’s!turtles!in! Massachusetts.!!Blanding’s!turtles!are!rarely!found!in!either!open!areas!of!ponds!and!lakes!or!in! dense!forested!swamps.!!Although!they!can!swim!across!streams!and!rivers!easily,!they!don’t! typically!dwell!in!flowing!water.!) Fig.)4:)Blanding’s)turtle)hatchling)emerging)from) nest.)(Photo)by)Emilie)Schuler)) ! Life)Cycle)and)Longevity) Female!Blanding’s!turtles!in!Massachusetts! typically!nest!between!the!last!week!of!May!and!the! end!of!June.!!Females!seek!out!warm!patches!of! sandy!or!loamy!soils,!often!in!agricultural!fields!on! in!suburban!yards!and!garden!beds.!!The!average! clutch!size!is!about!10!eggs!with!a!range!of!6b15.! ! Baby!Blanding’s!turtles!hatch!from!early!August! into!October!after!an!incubation!period!lasting! from!two!to!three!months.!!Left!unprotected,!most! Blanding’s!turtle!nests!are!found!and!destroyed!by! egg!predators,!especially!raccoons,!skunks,!and! foxes.!!The!hatchlings!disperse!quickly!after! hatching,!seeking!out!nearby!wetlands.!!It!is!likely! 4! 3 that!relatively!few!survive!their!first!winter!after!hatching.!!Overall,!only!about!1%!of!all! Blanding’s!turtle!eggs!grow!into!turtles!that!survive!to!reach!sexual!maturity.!! ! Young!Blanding’s!turtles!grow!quickly!and,!at!Great!Meadows,!weigh!about!30!times!their!hatch! weight!at!five!years!of!age!(Graham!and!Doyle,!1977).!!Blanding’s!turtles,!however,!are!among! the!slowest!known!animals!to!reach!adulthood!(sexual!maturity).!!At!Great!Meadows,!typically! breed!for!the!first!time!at!17b20!years!of!age,!although!some!individuals!in!a!southern!Michigan! population!first!breed!as!young!as!14!years!old!(Congdon!et!al.!1993).!!Male!Blanding’s!turtles! mature!a!few!years!earlier!than!females.! ! Blanding’s!turtles!are!very!longblived!animals,!so!much!so!that!it!is!difficult!to!determine!their! maximum!longevity!in!the!wild!since!very!few!researchers!are!likely!to!study!them!for!many! decades.!!One!Blanding’s!turtle!captured!in!Minnesota!and!marked!by!previous!researchers!was! determined!to!be!at!least!77!years!of!age.!!Several!female!Blanding’s!turtles!at!Great!Meadows! were!marked!as!adults!(thus!>!18!years!of!age)!in!1971!and!are!alive!and!reproductive!at!ages! that!are!at!least!in!their!early!60’s.!It!is!likely!that!some!individual!Blanding’s!turtles!live!well! into!their!80’s!or!beyond.! ! Gender)and)Sex)Determination) Blanding’s!turtle!males!and!females!are!fairly!similar!in!size!and!very!similar!in!markings.!! Adult!males!are,!on!average,!heavier!and!have!longer!carapaces.!!Adults!males!have!a!noticeably! more!concave!plastron!than!females!and!a!longer!and!thicker!base!of!the!tail!(the!portion!of!the! tail!from!the!base!to!the!vent!or!cloaca).!!Males!also!often!have!a!thin!dark!“moustache”!on!the! edge!of!their!jaw.! ! In!our!experience,!males!and! females!can!be!separated!by! looking!at!the!length!of!the! base!of!the!tail!by!8b10!years! of!age.!!Prior!to!this,!young! Blanding’s!turtles!can!only!be! sexed!with!a!surgical! procedure!called!a! laparoscopy,!in!which!a!tiny! video!camera!is!inserted!into! the!turtle’s!abdomen!and!the! veterinarian!conducting!the! procedure!guides!the!camera! to!near!the!kidney!where! ovaries!can!be!seen!in!females! and!testes!in!males.!!We! Figure)5:)Differences)between)male)and)female)spotted)turtles)(the) regularly!conduct! same)pattern)is)true)for)Blanding’s)turtles).)The)male)(left))has)a) laparoscopies!on!headstarted! slightly)concave)plastron)(bottom)side)of)shell))and)a)thicker)tail.) The)female)(right))has)a)flat)plastron)and)smaller)tail.)) hatchlings!of!30g!or!larger!in! ) weight.! ! As!with!most!species!of!turtles,!the!gender!of!Blanding’s!turtles!is!not!determined!genetically! ! 5! 4 and!is!therefore!not!fixed!at!the!time!in!which!the!embryo!begins!growing!in!the!newly! deposited!egg.!!!What!matters!in!sex!determination!is!the!temperature!of!the!nest!during! approximately!the!middle!third!of!the!incubation!period.!!Warmer!nests!produce!mostly!female! hatchlings!and!cooler!nests!produce!mostly!males.!!In!our!experience!in!Massachusetts,!most! nests!produce!only!one!gender.!!Veterinarians!and!technicians!at!the!Franklin!Park!Zoo!and! New!England!Aquarium!have!used!surgical!laparoscopy!to!determine!the!sex!of!most!of!our! headstarted!Blanding’s!turtles!since!2009.!Our!data!indicate!that!that!the!number!of!“degreeb days”!above!81!degrees!F.!experienced!by!the!eggs!in!the!middle!third!of!incubation!is!a!fairly! good!predictor!of!hatchling!gender.! ! Diet) Blanding’s!turtles!are!primarily!carnivorous,!mostly!catching!and!eating!invertebrates,!such!as! worms,!snails,!crayfish,!and!insect!larvae.!!Blanding’s!turtles!also!catch!and!eat!frogs,!tadpoles! and!small!fish,!though!most!fish!consumed!are!probably!scavenged!(Ernst!and!Lovich,!2009).!!! Researchers!have!also!observed!!Blanding’s!turtles!eating!a!variety!of!wetland!plants,!including! pondweed!and!coontail.! ! Predators) Hatchling!Blanding’s!turtles!are!about!the!size!of!a! halfbdollar!and!have!a!very!soft,!flexible!shell;!they! are!thus!vulnerable!to!a!wide!range!of!predators! including!bullfrogs,!garter!snakes,!blue!jays,! chipmunks,!and!domestic!cats.!!Released! headstarted!turtles!have!occasionally!been!killed! by!mammalian!predators,!with!mink!and!otters! being!the!most!likely!suspects.!!Older!juvenile!and! adult!Blanding’s!turtles,!however,!have!thick,! strong!shells!and!can!withdraw!their!head!and! limbs!entirely!within!their!shell!when!threatened! by!potential!predators.!!The!long!lifespan!of!this! species!is!testimony!to!the!effectiveness!of! Fig.)6:)Blanding’s)turtle)nest)protected)by)a)wood) Blanding’s!turtles!at!avoiding!predation!once!they! and)mesh)cage,)to)block)predators)from)entering,) are!large!enough.!!Predators!do!occasionally!catch! and)to)keep)the)hatchlings)safe)when)they)emerge.)) (Photo)by)Emilie)Schuler)) Blanding’s!turtles!before!they!can!withdraw!into! ! their!shells,!as!demonstrated!by!the!occasional!adult!that!is!missing!part!or!all!of!a!limb.! ! Role)of)Turtles)in)Ecosystems) Turtles!play!an!important!role!in!the!ecosystems!they!inhabit!throughout!the!World.!! Freshwater!species,!like!Blanding’s!turtles,!are!often!important!predators!on!many!invertebrate! species.!!Since!turtles!are!“coldbblooded”!and!do!not!need!to!use!most!of!their!energy!intake!to! warm!their!bodies,!they!eat!far!less!than!a!similarbsized!mammals.!Turtles!therefore!can!attain! much!higher!densities!than!warmbblooded!predators,!and!are!often!the!most!abundant!top! carnivores!of!aquatic!insect!and!arthropods!in!shallow!ponds!and!swamps.!!Locally,!Blanding’s! turtles!may!help!control!populations!of!some!introduced!snail!species.!!Turtle!eggs!and! hatchlings!are!likewise!important!food!sources!for!mammalian!predators.!!Beyond!their! functional!roles!in!natural!ecosystems,!Blanding’s!turtles!are!rare!animals!that!enhance!the! diversity!and!beauty!of!the!freshwater!wetlands!in!which!they!live.! ! 6! CHAPTER 2: TURTLE CARE 1 Section I: Safety Student'and'Caregiver'Safety:""" To date (2015) we have supervised or assisted with the raising of more than 500 turtle hatchlings at more than 20 schools in Massachusetts without any human health problems. Hatchling Blanding’s turtles are safe animals to raise in a classroom setting as long as basic common sense hygiene practices are followed. Hand1Washing:""Most"domestic"animals"(ducks,"dogs," cats,"chickens,"etc.),"pets,"and"wild"animals"can"be" sources"of"Salmonella"infection"in"humans,"a"condition" that"can"cause"severe"gastrointestinal"symptoms"which" require"medical"treatment."It"is"very'important"that" students"and"all"turtle"caregivers"be"told"and"frequently" reminded"to:"Always'wash'your'hands' immediately'after'you'have'been'in'contact'with' turtles,'or'with'any'equipment'used'in'keeping' and'caring'for'the'turtles,'or'with'any'water'that' has'housed'the'turtles." " Turtle'Handling:''' Blanding’s"turtles"are"very"shy,"by"nature,"and"wild"Blanding’s"turtles"rarely"if"ever"try"to"bite" when"handled."The"small"turtles"raised"in"classrooms"are"furthermore"incapable"of"inflicting"a" serious"wound"on"humans,"were"they"to"bite."However,"it"is"very"good"practice"to"remind" students"that"the"turtles"are"wild"animals"that"do"not"readily"understand"human"motivations."It" is"good"practice"to"avoid"touching"any"turtle"in"the"face"or"head"and"to"remember"that"your" classroom"turtle"may"have"a"hard"time"telling"where" its"food"ends"and"someone’s"finger"begins." " Electrical'Safety:""" Our"standard"turtle"tank"setEup"involves"the"use"of" electronic"components"in"proximity"to"or"in"the" water.""Without"proper"safety"precautions,"this"can" create"an"electrocution"hazard."" " • Please'always'read'the'manufacturers' safety'instructions'regarding'the'use'of'the' heater,'filter,'and'lights."" • Please"immediately"discontinue"the"use"of"any" of"these"items"if"the"cord"or"electrical" components"appear"damaged."" • Make"SURE"that"the"heater"you"use"is" designed"to"be"fully"submersible."" • Keep"a"“drip"loop”"at"the"outlet"end"of"each" appliance"cord"(see"illustration"on"right)." 2 2 Turtle'Safety:""" Though"very"small,"hatchling"Blanding’s"turtles"are"amazingly"robust"animals."Over"the"years," about"95%"of"our"hatchlings"have"survived"and"thrived"during"the"months"of"their" “headstarting”"period."However,"there"are"some"basic"precautions"to"be"aware"of"that"will"help" maximize"the"chance"that"your"turtles"will"grow"well"and"be"healthy"when"they"are"released" back"into"the"wild." " 1) Don’t'Cook'Your'Turtles!"Hatchling"turtles"are"more"sensitive"to"temperature"than" adults"and"Blanding’s"turtles"can"die"from"even"fairly"brief"exposure"to"water"hotter" than"90"degrees"F."Remember'to'always'check'the'temperature'of'new'water' before'placing'your'turtles'into'it!'Make'sure'that'the'temperature'is'below' 85F."We"provide"ideas"in"the"following"sections"on"how"to"reduce"the"risk"of" exposing"your"turtles"to"dangerously"hot"water." " 2) Yes,'a'Turtle'CAN'Drown:" As"you"know"(or"will"learn)," Blanding’s"turtles"are"air" breathers."At"room"or"at" standard"aquarium" temperatures,"very"young" juveniles"can"drown"in"less" than"one"hour."Please"make" sure"that"your"tank"is"free" from"objects"that"can"trap"a" turtle"underwater."Keep"the" water"shallow"(<3”"deep"in" Above: Turtles come up for air in their shallow-water the"deep"end)"for"the"first"3" tank. Keep the water at this depth for the first 3 months, months"of"the"headstarting" then deepen the water gradually. and"never"more"than"10”" deep"even"towards"the"end" of"headstarting." " 3) Recognize'Signs'of'Illness'and'CALL'US'IMMEDIATELY'if'you'are'concerned:"" Though"uncommon,"sometimes"turtles"do"get"sick."The"following"are"common"signs" of"illness"among"hatchling"turtles:" a) White"splotches"or"pustules"on"the"skin"(sign"of"a"common"skin"infection)." b) Excessive"lethargy,"often"with"unusually"long"period"of"basking"out"of"the" water"(can"be"a"sign"of"“sunburn”"from"improper"lighting"or"of"an"infection)." c) Unusually"long"periods"without"eating"or"growth."(Turtles"often"go"for"days," even"weeks,"without"eating"and"with"no"ill"effects."But"let"us"know"if"you’re" turtle"seems"to"show"a"sharp"and"sustained"reduction"in"appetite.)" d) Soft"Shell"(turtles"that"do"not"get"sufficient"nutrition"and/or"exposure"to" proper"ultraviolet"lighting"can"develop"a"very"soft"shell."Let"us"know" immediately"if"you"are"concerned"about"the"softness"of"your"turtle’s"shell)." " 3 3 Environmental'Safety'(Quarantine'Protocols):""" Exotic"animals"can"be"the"source"of"devastating"diseases"that"can"wipe"out"populations"of"native" animals."The"disease"“white"nose"syndrome,”"which"has"killed"more"than"90%"of"bats"in"New" England,"for"example,"likely"arrived"in"the"USA"on"the"clothes"of"a"tourist"who"brought"fungal" spores"unintentionally"from"a"bat"cave"in"Europe." " To"ensure"that"our"Blanding’s"turtles"are"safe"and"that"they"pose"no"risk"to"the"wild" environment"into"which"they"will"be"released,"DO'NOT'KEEP'BLANDING’S'TURTLES'IN'THE' SAME'ROOM'AS'ANY'TURTLE,'FISH,'OR'AMPHIBIAN'SPECIES'NOT'NATIVE'TO'EASTERN' MASSACHUSETTS."Furthermore,"do"not"allow"your"turtles"to"be"in"contact"with"any"equipment" or"water"that"may"have"been"in"contact"with"any"such"exotic"species."Please"contact"Bryan" Windmiller"or"Emilie"Schuler"if"you"have"any"questions"about"this"quarantine"protocol." Section II: Responsibilities of the Teacher of Headstarting Supervisor You"and"your"students"or"colleagues"are"caring"for"individuals"of"a"Threatened"species"and"have" the"opportunity"to"make"a"significant"difference"in"their"local"conservation."We,'at'Grassroots' Wildlife'Conservation,'and'all'the'project'participants'are'profoundly'grateful'to'you'and' your'students'and'colleagues'for'your'contribution'to'local'environmental'health'and' integrity." " In"undertaking"this"headstarting"project,"you"are"also"assuming"responsibility"for"the"care"of" Threatened"animals."We"ask"that"you"take"the"following"specific"responsibilities"seriously:" " 1) Let'us'(Bryan'and'Emilie)'know'if'you'have'any'questions'or'concerns'before'it' is'too'late'to'correct'them.'You"can"always"reach"us"by"cell"phone"even"outside"of" normal"business"hours"if"something"comes"up."" " 2) Collect'and'record'the'weights'and'lengths'of'your'turtles'at'least'once'monthly' and'send'those'data'to'us."If"you"are"having"a"hard"time"with"the"Google"Drive" spreadsheet,"just"email"us"the"data."Your"data"allow"us"to"plan"out"the"purchase"of" radio"transmitters,"the"release"locations"of"the"turtles,"and"to"ensure"that"all"the" turtles"are"healthy." " 3) Don’t'be'too'hard'on'yourselves'if'things'don’t'work'out!"Blanding’s"turtles"are" not"domestic"pets."Some"of"the"hatchlings"that"we"bring"to"schools"may"have"genetic" deformities"or"other"health"issues"that"simply"can’t"be"resolved."And,"accidents" happen"to"all"of"us."If"one"of"your"turtles"dies,"let"us"know"immediately."We"are"often" able"to"replace"a"classroom"turtle"that"died"with"one"from"another"institution."No" matter"how"hard"we"try,"most,"but"not"all,"of"these"delightful"baby"turtles"survive"to" release." Please review and sign the teacher contract at the end of this document, or find an online version here. 4 2 1 Section III: Recommended Equipment and Set-Up The"following"equipment"list"and"instructions"are"intended"for"the"headstarting"of"two" hatchlings"turtles."Larger"numbers"of"turtles"can"be"raised"in"larger"habitats."Ask"us"for"details." " ***If"at"all"possible,"please"have"your"tank,"filter,"lights,"etc."up"and"running"BEFORE"your"turtles" arrive."Thank"you!!***" Equipment Checklist: Required Items ❒ Aquarium ❒ Filter and replacement parts ❒ Submersible Heater ❒ UV Light Bulb and Lamp ❒ Electrical Timer ❒ Thermometer ❒ Basking platform Useful Extras ❒ Turkey baster or siphon ❒ 2-3 gallon bucket ❒ 12” Tupperware tubs for feeding ❒ Water conditioner (Recommended brand: Stresscoat) ❒ Tank furniture/decorations Aquarium:""" Most"classes"choose"201gallon'long'glass'aquariums'to"house"their"turtles."These"have"the" advantage"of"allowing"students"to"see"the"turtles"from"the"side"(and"the"turtles"can"also"see" what’s"going"on"around"them).""Plastic"tubs"work"very"well"also"and"are"lighter"and"cheaper"but" obviously"only"allow"viewing"of"the"turtles"from"directly"above.""No"top"is"necessary"for"the" tank,"though"a"screen"top"allows"you"to"place"the"light"fixture"on"top"of"the"tank.""If"using"a" screen,"it"is"best"to"affix"the"light"fixture"to"the"screen"by"drilling"holes"in"the"metal"fixture"and" wiring"the"fixture"to"the"screen." " We"recommend"tilting"the"aquarium"by"resting"one"end"of"it"on"a"length"of"wood"or"some"text" books"(see"Figure"1).""The"deep"end"of"the"tank"should"initially"be"filled"with"water"to"a"depth"of" about"3"inches.""After"the"turtles"have"been"growing"for"a"couple"of"months,"the"water"depth"can" be"increased"so"that"the"deep"end"is"about"6E8”"deep"by"the"end"of"the"school"year.""Turtles" should"be"able"to"easily"raise"their"heads"above"the"surface"in"the"shallow"end"while"resting"on" the"bottom.""(Small"hatchlings"can"quickly"drown"if"trapped"in"deep"water.)"""" " Filter:'(marked'(A)'in'Figure'1)'""" ❒ ❒ ❒ ❒ Canister"Filter" 3"Replacement"sponge"preEfilters" Activated"charcoal" Pipe"cleaners" 5 3 Figure 1: Sample Tank set up A: Filter B: Thermometer C: Heater D: Vegetation E: Basking Platform F: UV Light G: Wood to prop up tank We"continue"to"have"good"luck"with"the"Zoomed'501'Canister'Filter.""Buy"extra"sponge"preE filters"and"replace"them"every"couple"of"months"or"so.""Instead"of"buying"Zoomed’s"slightly" pricey"and"somewhat"too"large"replacement"charcoal"bags,"buy"a"container"of"activated" charcoal"and"make"your"own"permeable"bags"of"charcoal"by"wrapping"the"charcoal"either"in"an" old"stocking,"cheesecloth,"or"plastic"window"screening."Charcoal"bags"usually"need"replacing" every"2"months"or"so.""Pipe"cleaners"are"very"useful"to"clean"out"the"filter"tubing"on"occoasion." " The"filter"intake"should"be"placed"in"the"deep"end"of"the"tank"(see"Figure"1).""If"using"the" Zoomed"Canister"Filter,"rotate"the"holes"in"the"water"outlet"pipe"so"that"the"water"jets"roll"down" the"side"of"the"aquarium,"thus"minimizing"noise." " Filter'Troubleshooting:' " ● Did"you"fill"the"entire"filter"chamber"with"water"before"trying"to"start"it?""(This"is"needed" to"prime"the"filter.)" ● Are"there"chunks"of"dirt"blocking"the"intake"or"outlet"pipes?""Clean"them"with"pipe" cleaners." ● Is"the"charcoal"bag"too"large"and"thus"restricting"flow"in"the"filter"chamber?""If"you" bought"a"commercial"charcoal"bag"replacement,"they"are"often"a"bit"too"big.""Try" snipping"the"corner"of"the"bag"with"scissors,"pouring"out"a"bit"of"the"charcoal,"and" 6 4 resealing"the"bag"with"a"twist"tie." Is"there"dirt"blocking"the"impeller"(the"propeller"that"works"the"pump)?""To"find"the" impeller,"you’ll"need"to"pop"off"a"plastic"cap"located"under"the"top"of"the"filter"by"a"small" piece"of"plastic"tubing.""To"remove"the"impeller,"you"can"slide"a"fingernail"under"one"of" the"blades"or"use"tweezers.""Rinse"out"the"impeller"chamber"and"replace"the"impeller" and"cap." " Thermometer'(B):''' ● Don’t"use"one"of"those"stickEon"strip"thermometers.""A"good"one"that"is"inexpensive"and"easy"to" read"is"the"Sybon"Digital"Submersible"Thermometer.'' Remember:"Your"thermometer"is"a"critical"tool"in"making"sure"that"you"do"not"overheat"your" turtles."Check"your"thermometer"against"other"ones"if"possible.' ' Submersible'Water'Heater'(C):'' Water Temperature: You"will"need"a"submersible"heater"and"since"the" The water temperature should be kept between water"depth"is"shallow"you’ll"need"a"rather"overE 78 and 82 degrees, gunned"heater"to"make"up"for"all"the"heat"loss"to"the" preferably between 80 air"(the"wattage"of"the"heaters"we"use"are"rated"for"a" and 82 degrees. Cooler much"higher"volume"of"water"than"we" water will not harm the use).""Aquarium"heater"models"change"frequently," turtles but will likely slow so"contact"GWC"is"you"would"like"our"latest" their growth. DO NOT recommendations.""" LET THE WATER " TEMPERATURE RISE The"heater"should"be"kept"in"the"deep"end"of"the" ABOVE 85 DEGREES tank"(see"diagram).""NEVER'ALLOW'THE'HEATER' AT ANY POINT AS THIS TO'RUN'WITHOUT'WATER'COVERING'IT.' MAY HARM THE Carefully"read"manufacturer"instructions"for"heater" TURTLES. set"up."" " Set"your"aquarium"heater"initially"to"75"degrees"and"use"your"thermometer"to"carefully"monitor" the"actual"temperature."Over"a"few"days,"increase"the"heater"setting"until"the"water"in"the"tank" is"generally"in"the"range"of"80E82"degrees"F.""NEVER'let'the'water'temperature'exceed'85' degrees'F!" " Ceramic'Heat'Emitter'(recommended):'' The"single"most"important"factor"in"determining"the"growth"rate"of"our"hatchling"turtles"is"the" water"temperature"of"their"aquaria."Often,"submersible"heaters"alone"can’t"keep"the"water" warm"enough,"especially"during"off"hours"when"room"temperatures"are"often"allowed"to"fall." " Based"on"our"past"experience,"we"therefore"recommend"that"you"use"a"ceramic"heat"emitter" bulb,"if"possible,"to"help"keep"the"air"in"the"tank"warm."This"will"help"warm"the"water."We" recommend"a"50Watt"ceramic"heat"emitter"with"a"good"quality"clamp"lamp"that"has"a" porcelain'socket'and'a'safety'shield'to'prevent'accidental'burns"(The"bulbs"get"hot"enough" to"cause"immediate"burns.)"The"entire"package"would"thus"consist"of:" • Zoomed"60W"ceramic"heat"emitter"(ca."$24)" • Zoomed"or"similar"clamp"lamp"with"ceramic"socket"(Zooomed"8.5”"clamp"lamp"ca."$21)" 7 5 Zoomed"Clamp"Lamp"Safety"Cover"(fits"10”"clamp"lamps,"ca."$14)" " As'a'cheaper'alternative,"if"you"are"having"trouble"keeping"the"water"temperature"to"at"least" 78"degrees,"you"can"wrap"three"sides"of"the"tank"with"foil/bubble"wrap"insulation"and"possibly" using"a"plexiglass"tank"cover"to"better"retain"the"heat"from"the"submersible"water"heater." " UV1Producing'Light'Bulb'and'Timer'(F):''' • Hatchling"turtles"need"a"good"source"of"ultra"violet" Day Length radiation"(UVb"wavelengths)"to"synthesize"Vitamin" Time of Year' Setting (hours)' D3"and"make"strong"bones"and"shells.""(Just"as" humans"make"vitamin"D"after"skin"exposure"to"the" sun.)"Our"recommended"bulb"is"the"Zoomed' September – March" 12" Reptisun'10.0'Compact'Flourescent'in"a"suitable" clamp'lamp"fixture"(Zoomed"and"Flukers"make" April" 13" good"ones)."Ideally,"the"bulb"should"be"checked"with" a"UV"light"meter"(We"can"do"this"for"you"when"we" May 1 - 14" 14" visit"your"classroom)." May 15 - 31" 14.5" Plug"the"light"into"an"electronic'timer'(available" from"a"local"hardware"store)"using"the"table"on"the" After June 1" 15" right"to"determine"appropriate"“daylight”"length.""" Make"sure"that"the"light"is"located"directly"over"the"basking"area,"which"should"be"in"the" shallow"end"of"the"tank." Basking'Platform'(E):''" The"turtles"need"something"to"climb"up"on"and"get"out"of"the"water,"located"directly"under"their" light"bulb.""Pieces"of"wood"or"flat"rocks"work"well"or"you"can"get"preEmade"one"from"the"pet" store,"if"so"the"R1Zilla'Floating'Basking'Platform'is"a"good"design.""Please'make'sure'that' any'“furniture”'that'you'use'in'the'aquarium'can’t'accidentally'roll'over'and'trap'turtles' underwater.' Odd'and'Ends:" o Turkey'baster:"Useful"for"removing"dirt"from"the"tank"in"between"more"thorough" cleanings." o Self1Priming'Aquarium'Siphon:"Useful"to"drain"the"tank"water"during"tank"cleaning." NEVER"prime"a"siphon"by"using"mouth"suction!' o Large'bucket:"Use"a"bucket"large"enough"to"hold"the"water"for"a"tank"water"change."Fill" it"with"tap"water,"add"conditioner,"and"let"the"spare"water"sit"and"so"that"there"is"always" room"temperature"water"at"the"ready." o Water'Conditioner:"We"recommend"Stresscoat"for"treating"all"water"placed"in"the" tank."If"you"don’t"use"conditioner"please"let"water"sit"for"24hrs"to"dechlorinate.' o Tank'“furniture”'and'Decorations:'The"turtles"also"want"hiding'places.""Again," Please'make'sure'that'the'“furniture”'is'secure'and'that'there'is'no'danger'of' anything'toppling'over'and'trapping'the'turtles'underwater."Hatchlings"also"seem" to"love"some"plastic"vegetation'that'they'can'hide'underneath.'In"general,"though,"we" recommend"keeping"the"“furniture”"simple"as"you"will"need"to"wash"all"of"it"often." 8 1 Section IV: Feeding Your Turtles The'Basics" o When"you"first"get"your"turtles,"you" may"wish"to"feed"them"for"several" weeks"in"their"aquarium"until"they" are"eating"reliably"and"confidently." Clean"out"any"left"over"food"after" each"feeding"session"so"that"the" water"doesn’t"get"fouled"too"quickly." o After"the"turtles"are"eating"regularly," try"getting"them"used"to"eating"in" separate"small"plastic"feeding"tubs" (see"below).""It’s"OK"to"put"them"in" the"feeding"tub"together,"if"more" convenient,"but"check"for"aggression" and"separate"them"if"needed." o Feed'the'turtles'TWICE'EACH'SCHOOL'DAY'and'aim'for'feeding'them'as'much'as'they' can'eat'in'15'minutes."If"feeding"them"in"their"aquarium,"remove"uneaten"food"afterwards," o Turtles"are"fine"over"the"weekend"with"no"food"(3"day"weekends"with"no"food"are"fine)." o On"longer"vacations"(Thanksgiving,"Christmas,"Feb."and"April"breaks)"the"turtles"will"need" to"be"fed.""If"they"can’t"be"fed"in"the"school,"they"should"be"taken"home"either"by"the"teacher" or"a"responsible"family.""There"is"no"need"to"use"the"filter"during"the"vacation"period.""If" moving"the"aquarium"is"difficult,"the"turtles"can"be"kept"in"a"clean"plastic"tub"for"the" vacation." Suggested Feeding Rate " Rates are based on two feedings per day. If turtles are only fed once per day please double. ( Feed turtles enough so that there is a little left over after each 15-minute feeding session. If that is less or more than this chart, please adjust according to the appetite of your turtles.' " Average Turtle Weight (g)" # Omega Juvenile Pellets" per turtle per feeding" (one noodle = 7.5 pellets)" # Omega One sticks" per turtle" per feeding (twice daily)" Hatching – 30" 7-60" 2-4" 31-50" 9-13" 51-70" 12-16" 71-100" 101-130" Best to switch to the sticks" " 15-20" 18-25" 131-185" 22-40" >185" >30 (as needed)" 9 2 How'to'Feed'your'Turtles'in'Separate'Feeding'Containers:'' Once"your"turtles"are"eating"regularly"in"their"aquarium," feeding"the"turtles"in"separate"feeding"containers"will"help" keep"the"aquarium"clean"an"reduce"the"amount"of"cleaning" needed."Not"all"turtles"will"adapt"well"to"this"but"be" persistent."Let"us"know"if"you"are"having"trouble.' " 1. Wash"hands"with"soap"and"water"before"handling"the" turtles.""In"some"classrooms,"students"put"on"a"new"pair"of" disposable"gloves"before"handling"the"turtles."" " 2. Put"about"1”"of"water"in"each"feeding"container"by" transferring"some"warm"water"from"the"tank.""If"you"put" water"from"the"tap"into"the"feeding"container,"make"sure" it"is"not"too"hot"(not"over"82f)"with"a"thermometer"before" putting"in"the"turtles."Condition"tap"water"per" manufacturers"instructions"before"using"it"for"turtles."" " 3. Carefully"transfer"turtles"to"plastic"tub"for"feeding."They" will"learn"what"this"means,"so"watch"out"for"unintentional" nipping"at"this"time,"since"they"will"be"looking"for"food" and"your"finger"tip"might"look"like"a"turtle"food"pellet." " 4. Add"sufficient"food"so"that"there"is"some"left"over"after"a"15"minute"feeding"period.""Use"the" “Suggested"Feeding"Rate”"table"(previous"page)"as"a"guide"but"adjust"as"needed"for"your" hatchlings.""Count"the"number"of"noodles"or"pellets"placed"in"the"container." " 5. Set"a"timer"and"after"15"minutes"return"the"turtles"to"their"aquarium.""Record"the"number"of" noodles/pellets"remaining"and"thus"the"amount"that"the"turtles"ate." " 6. Replenish"the"water"in"the"aquarium"with"conditioned"water"and"then"refill"the"bucket"from" the"tap." " 7. Wash'hands'thoroughly'with'soap'and'water'after'handling'turtles'or'their'water'or' equipment.'Dispose'of'gloves'if'you'choose'to'use'them.' " First'Weeks'of'Feeding'for'Hatchlings" Hatchling"turtles"often"take"two"weeks"or"more"to"start"eating"the"pellet"food.""If"they"are" reluctant"to"eat"their"pellet"food,"you"might"wish"to"try"using"“turtle"jello”"(recipe(below)."Since" the"jello"has"Omega"turtle"pellets"mixed"in,"it"should"be"easy"to"get"them"to"transition"to"just" pellets."Please(let(us(know(which(approach(you(took(and(how(long(it(took(to(get(your(turtles( eating(regularly.((Thanks!" " Jello*Recipe:""" A"very"good"technique"to"get"recalcitrant"eaters"to"take"turtle"chow"is"to"mix"the"turtle"chow"in" with"foods"that"the"turtles"prefer"(bits"of"fish,"hamburger,"or"hardEboiled"egg).""The"best"way"to" do"this"is"to"make"some"turtle"jello"(a"great"classroom"project,"especially"if"you"can"get"hold"of"a" 10 1 3 blender"or"food"processor).""Here’s"the"recipe:" 1) Make(about(one(cup(of(mash(in(your( blender((or(hand(mash(thoroughly)(out(of:" • ¼(cup(of(your(turtles’(“dream(foods”( (try(finding(this(our(beforehand(by( offering(your(turtles(things(like:( salmon,(tuna,(hamburger,(chopped( frozen(mealworms,(hardFboiled(egg,( etc.)" • ¼(Omega(turtle(sticks((the(same( turtle(food(that(you(normally(use)" • ¼(cup(mix(of(steamed(dark(leafy( veggies((e.g.(kale,(collard(greens)( AND(some(steamed(sweet(potato" 2) Pour(the(mash(in(a(shallow(tray." 3) Stir(in(2(packets(of(unsweetened(gelatin( (should(be(available(in(any(supermarket)(" 4) Stir(in(one(cup(boiling(water." 5) Put(in(fridge(for(2(hours(to(gel.((" 6) Chop(into(small(cubes.((Keep(in(fridge(or( freezer(until(ready(to(serve(to(turtles.(Keep( it(in(freezer(if(you(will(be(using(it(for(more( than(a(week(or(so." Help!'My'turtle'isn’t'eating!' ● ● ● ● ● Try"turtle"jello,"if"you"have"not"already" done"so." Soak"the"pellets"for"10E15"before" giving"to"the"turtles.""This"softens"them" and"increases"their"palatability.""Try" this"first"for"any"hatchlings"that"are" not"eating." It"might"be"possible"to"attract"the" turtles"to"the"pellets"by"soaking"the" pellets"in"natural"food"scents.""I"have" some"“crayfish"flavored"Smelly"Jelly”" (Yum!)"that"might"help"as"might" soaking"the"pellets"in"sardine"oil." Sometimes"recalcitrant"eaters"do" better"if"placed"in"their"feeding"tub" with"a"good"eater.""This"may"be"worth" a"try." If"the"turtles"are"still"not"eating"three" weeks"after"their"arrival"in"class,"it" may"be"worthwhile,"if(possible,"to" release"them"and"to"substitute"other" hatchlings"that"are"eating." Section V: Cleaning Your Turtle Tank Changing'Water'in'Tanks'(every'week)" " 1. Wash"hands"with"soap"and"water"before"handling"turtles." 2. Take"turtles"out"and"place"in"plastic"feeding"tub." 3. Unplug"and"remove"the"heater,"clampEon"light.""Unplug"the"filter.""Remove"tank" furniture"(rocks,"basking"platforms,"plants,"etc.)." 4. Remove"water"from"tank.""Water"can"be"bailed"out"with"a"container"or"emptied"with"the" use"of"a"siphon." 5. Rinse"the"tank"with"clean"water,"swirling"it"around"tank"and"drain"rinse"water." 6. Rinse"off"the"tank"furniture"and"heater"and"then"replace"in"tank." 7. Refill"the"habitat"with"tap"water.""If"at"all"possible,"set"aside"the"water"in"an"open" container"at"least"24"hours"ahead"to"dechlorinate." 8. Measure"water"temperature"and"add"hot"tap"water,"if"needed,"until"water"temp."is"at"78E 80"degrees"(no'higher'than'82'degrees!)." 9. Add"water"conditioner"as"per"instructions"on"the"bottle." 10. ReEplug"in"light,"heater,"and"filter"and"make"sure"everything"is"working." 11. Refill"filter"chamber"to"brim"through"screwEoff"fill"cap.""Make"sure"that"filter"is"full"or"it" 11 2 won’t"start." 12. RECHECK'TEMPERATURE'by'hand'and'with'thermometer." 13. Return"the"turtles"to"their"clean"habitat."" 14. Wash"hands"with"soap"and"water"after"handling"turtles." " Occasional'Thorough'Cleaning'(once"monthly"at"first,"eventually"every"other"week"as"turtles" grow)" " For"more"thorough"occasional"cleaning,"add"the"following"steps"to"the"above"weekly"routine."" Use"a"mild"soap." 1. Disassemble"the"filter"and"thoroughly"rinse"and"wring"out"the"sponge"preEfilter.""Then" rinse"off"the"bag"of"activated"charcoal"and"lightly"scrub"off"some"of"the"gunk"on"the" outside"of"the"bag"with"a"scrub"brush"and"some"mild"soap.""Rinse"well.""Replace"charcoal" every"other"month." 2. Scrub"the"inside"of"the"filter"chamber"and"rinse"off"the"ceramic"tubes." 3. Remove"and"clean"the"intake"and"return"tubes"with"pipe"cleaners." 4. Scrub"the"rocks,"platforms"and"other"furniture"with"a"brush"and"mild"soap"and"rinse" well." 5. Scrub"algae"and"gunk"off"inside"of"tank"as"above." Section VI: Measuring Your Turtles 1. Turn"on"and"zero"the"balance"with"a"small"plastic"container"on"the"balance"tray"(something" the"turtles"can’t"climb"out"of)." 2. Put"the"turtle"into"the"container"and"record"the"turtle’s"mass." 3. Holding"the"turtle,"use"calipers"to"measure"the"midEline"length"of"the"carapace"of"the"turtle."" Hold"turtle"gently"and"measure"the"length"of"the"upper"shell"directly"behind"the"head"in"a" straight"line"to"the"tip"of"the"shell"near"the"tail"region"(see"diagram"below).""Record"this" measurement."" 4. Return"turtles"to"their"habitat." 5. Wash'hands'with'soap'and'water'after'handling'turtles.' 6. Compare"the"mass"of"the"turtle"this"week"to"prior"data.""If"you"observe"a"loss"in"mass,"tell" your"teacher"and"report"it"to"Bryan"Windmiller.""A"weight"loss"lasting"more"than"a"week"may" be"a"sign"that"the"turtle"is"not"eating"or"not"healthy." 7. Add"your"data"on"turtle"weight"and"length"to"the"online"spreadsheet"at"the"beginning"of"each" month." " " 12 1 Section VII: Preparing Your Turtles for Release Your"turtles"have"been"growing"all"year" and"your"time"with"them"is"nearly"over." As"winter"changes"to"spring,"there"are"a" number"of"things"that"you"can"do"to"help" your"turtles"prepare"for"life"in"the"wild." " In'March:" • Gradually"increase"the"depth"of" water"in"the"deep"until"the"deep"end"is" about"12”"in"depth."(Remember"to"always" provide"a"rock"or"floating"platform"to" allow"the"turtles"to"get"out"of"the"water.)" • Look"up"the"day"length"in"eastern" Massachusetts"with"your"class"or"colleagues."Change"the"light"timer"accordingly"so"that" the"length"of"the"turtles’"“day:"increases"after"the"spring"equinox"(after"March"21)." " In'April:' • Begin"feeding"live"prey"items"while"continuing"also"offering"Omega"turtle"sticks"(see" below)." " In'May:" • Increase"amount"of"live"prey"in"the"diet." • About"2"weeks"prior"to"scheduled"release,"UNPLUG"the"water"and"air"heaters"and"let"the" water"temperature"fluctuate"with"the"room"temperature." " Addition'of'Live'Food'Items'in'the'Spring" In"the"spring,"you"will"be"able"to"help"your"baby" Blanding’s"turtles"prepare"for"life"in"the"wild"by"adding" live"prey"items"to"their"diet."Please'continue'giving' them'their'normal'diet'throughout.'A"common" strategy"is"to"offer"the"Omega"Turtle"Sticks"for"the" morning"feedings"and"then"live"food"items"in"the" afternoons."Play"around"with"this"and"see"what"works"for" you." For"teachers,"we"recommend"that"you"enlist"your" students"in"gathering"up"some"of"these"possible"prey" species,"perhaps"by"asking"1"or"2"students"at"a"time"to" procure"some."As"you"can"see"in"the"photo"on"the"right," some"students"really"enjoy"going"out"and"exploring"local" ponds"and"pools"to"find"food"for"their"turtles." " Guidelines'for'Live'Food'Choice'and'Quantity' • Offer"turtles"just"one"live"prey"item"at"a"time"at" 13 2 first."They"may"remain"very""reluctant"to"try"eating"their"prey"and"need"to"learn"how"to" handle"and"approach"different"prey"items." • Please"be"sensitive"to"the"live"animals"that"you"are"offering"as"prey."Consider"releasing" them"if"possible,"if"the"turtles"are"not"interested"in"eating"them." • ONLY'USE'live'prey'items'caught'in'your'area'(farmed'crickets'and'mealworms' are'acceptable)."This"will"help"prevent"spreading"diseases"and"parasites"to"wild"turtles." " Some'good'live'prey'possibilities:" o Earthworms" o SMALL"crayfish" o Local"pond"and"garden"snails" o Small"tadpoles" o Aquatic"insects,"especially"softEbodied"ones"like"dragonfly,"damselfly,"and"fishfly"larvae" o Small"aquatic"beetles"and"bugs" o Crickets"(wild"or"storeEbought)" o Mealworms" " Some'live'prey'items'BEST'AVOIDED" o Ants" o Mosquito"larvae!" o Insects"with"strong"smells"(e.g.(stink"bugs)" o Stinging"insects" o Most"live"fish"(Blanding’s"turtles"will"have"a"hard"time"catching"them,"though"it"is"ok"to" try"small"locally"sourced"minnows"or"young"sunfish."Please"consider"giving"the"fish"some" food"while"they"are"still"alive"in"the"aquariua."Chunks"of"storeEbought"salmon,"herring," etc."are"a"great"food"item." Section VIII: Adapting these Protocols for Other Species of Turtles These protocols work well for raising baby snapping and painted turtles with the following modifications: Snapping turtles may benefit from adding live food earlier and a more varied diet earlier than as recommended above. Baby snapping turtles tend to be hearty eaters and will grow more rapidly than Blanding’s turtles if fed adequately. SAFETY CONCERN: New snapping turtle hatchlings are very docile and, in any case, can’t inflict any injury. Our experience is that the turtles remain amenable to handling without trying to bite in almost all cases throughout the 9 month headstarting period. However, as a basic precaution, as your snapping turtle babies grow, caution should be used in handling them. Always hold their shells from behind the midpoint. Painted turtles are stronger swimmers than Blanding’s turtles. They will enjoy deeper water in their aquaria. They are also less carnivorous than Blanding’s turtles and so may appreciate the addition of red-leaf lettuce and other dark greens to their diets. 14 ! ! !! APPENDIX! ! How!to!Open!and!Edit!the!Spreadsheet!in!Google!Drive! Step!1:!Open!the!e?mail!with!the!link!to!the!document.!It!should!be!called!something!like! “2015!Turtle!Headstarting!Data!–!Invitation!to!edit”! ! Step!2:!Click!on!the!document!title!“2015!Turtle!Headstarting!Data”.!NO!NOT!CLICK!the! button!that!says!“Open!in!Sheets”.! Step!3:!The!file!will!now!open!and!you!can!make!edits:!! ! 2! Step!4:!To!find!the!document!again!later,!point!your!browser!to!http://drive.google.com!.! From!there!click!on!“Shared!with!me”!on!the!left!side!menu,!and!you!will!see!the!spreadsheet! there.!Open!it!and!edit!it.! ! 3! Disclaimer! !! The!information!in!this!book!is!intended!as!a!guide!for!raising!Blanding’s!turtles.!Please!be! advised!possessing!threatened!species!such!as!the!Blanding’s!turtle!requires!written! permission!from!the!Massachusetts!Natural!Heritage!and!Endangered!Species!Program.!Do!not! attempt!to!rescue!and!raise!Blanding’s!turtles!without!permission.!! ! ! 4!