- reptile conservation

Transcription

- reptile conservation
WWW.IRCF.ORG/REPTILESANDAMPHIBIANSJOURNAL
TABLE OF CONTENTS
IRCF REPTILES
IRCF REPTILES & AMPHIBIANS
• VOL15, &
NOAMPHIBIANS • 20(2):92–94 • JUN
4 • DEC 2008 189
2013
IRCF
REPTILES & AMPHIBIANS
C O N S E R V AT I O N A N D N AT U R A L H I S T O R Y
T A B L E
O F
C O N T E N T S
INTRODUCED
FEATURE ARTICLES
SPECIES
First Account of the Yellow-bellied Slider
(Trachemys scripta scripta) in Texas
 Chasing Bullsnakes (Pituophis catenifer sayi) in Wisconsin:
On the Road to Understanding the Ecology and Conservation of the Midwest’s Giant Serpent ...................... Joshua M. Kapfer
190
 The Shared History of Treeboas (Corallus grenadensis) and Humans on Grenada:
A Hypothetical Excursion ............................................................................................................................Robert W. Henderson
198
RESEARCH ARTICLES
 The Texas Horned Lizard in Central and Western Texas ....................... Emily Henry, Jason Brewer, Krista Mougey, and Gad Perry
204
............................................. Brian J. Camposano, Kenneth L. Krysko, Kevin M. Enge, Ellen M. Donlan, and Michael Granatosky
212
 The “Dow Jones Index” of Biodiversity ...........................................................................................................................................
225
1, Stephen G. Ross1, Chris Havel2, L.K. Wolfe III1, Chris Collins1, and Roxanne A. Losey3
Eric C. Munscher
 The Knight Anole
(Anolis equestris) in Florida
1
SWCA Environmental Consultants, 10245 West Little York Road Suite 600 Houston Texas 77040, USA
[email protected], [email protected], [email protected])
C O N S E R V A T I ([email protected],
ON ALERT
2
Seaworld San Antonio, 10500 SeaWorld Drive, San Antonio, Texas, 78251, USA ([email protected])
 World’s Mammals in Crisis ............................................................................................................................................................. 220
3
Disney’s
Animal......................................................................................................................................................................
Kingdom, 551 N Rainforest Rd, Lake Buena Vista, Florida 32830. USA ([email protected])223
 More
Than Mammals
Photographs by L.K. Wolfe III
HUSBANDRY
 Captive Care of the Central Netted Dragon ....................................................................................................... Shannon Plummer
O
226
n 16 April 2013, during annual turtle population samThis turtle was caught by hand while snorkeling the northPROFILE
pling at Comal Springs
(Landa
Lake)
in
New
Braunfels,
ern escarpment side of Landa Lake, the headwaters of the
Kraig Adler: A Lifetime Promoting Herpetology ................................................................................................ Michael L. Treglia 234
Texas (29.714917°N, -98.135292°W, Datum WGS84),
Comal River. Photographs of the specimen were sent to the
COM
M Eidentified
NTARY
the authors collected
and
an adult male (CL 166
Amphibian and Reptile Diversity Research Center at the
 The Turtles Have Been Watching Me ........................................................................................................................ Eric Gangloff 238
mm) Yellow-bellied Slider (Trachemys scripta scripta; Fig. 1).
University of Texas at Arlington (UTA DC #s 8054–8056),
BOOK REVIEW
 Threatened Amphibians of the World edited by S.N. Stuart, M. Hoffmann, J.S. Chanson, N.A. Cox,
R. Berridge, P. Ramani, and B.E. Young .............................................................................................................. Robert Powell





CONSERVATION RESEARCH REPORTS: Summaries of Published Conservation Research Reports .................................
NATURAL HISTORY RESEARCH REPORTS: Summaries of Published Reports on Natural History .................................
NEWBRIEFS ......................................................................................................................................................................................
EDITORIAL INFORMATION .....................................................................................................................................................
FOCUS ON CONSERVATION: A Project You Can Support ...............................................................................................
243
245
247
248
251
252
Back Cover. Michael Kern
Front Cover. Shannon Plummer.
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Totat et velleseque audant mo
estibus inveliquo velique rerchil
erspienimus, quos accullabo. Ilibus
aut dolor apicto invere pe dolum
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moditia erere nonsedis ma sectiatur
ma derrovitae voluptam, as quos
accullabo.
Fig. 1. An adult male Yellow-bellied Slider (Trachemys scripta scripta; UF 168594) captured during the 2013 spring sampling session of a long-term monitoring program at Comal Springs (Landa Park), New Braunfels, Texas. Note the yellow cheek patch characteristic of this taxon.
Copyright © 2013. Eric C. Munscher. All rights reserved.
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INTRODUCED SPECIES
IRCF REPTILES & AMPHIBIANS • 20(2):92–94 • JUN 2013
Fig. 2. Possible hybrid between native Red-eared and introduced Yellow-bellied Sliders (Trachemys scripta elegans x T. s. scripta) showing characteristics of
both subspecies. This turtle was captured during the 2013 spring sampling session of a long-term monitoring program at Comal Springs (Landa Park),
New Braunfels, Texas.
where Dr. Carl J. Franklin, based on key morphological
characteristics that differ substantially from those of the Redeared Slider (T. s. elegans) (e.g., Conant and Collins 1991,
Buhlmann et al. 2008), identified this turtle as a Yellowbellied Slider.
This subspecies has never been reported from Texas. Our
photographic vouchers represent not only a Comal County
record (Dixon 2000, 2012) but a new record for the state
of Texas (Dixon 2000, 2012). Several other turtles captured
during the first year of sampling at Comal Springs also had
characteristics of Yellow-bellied Sliders that included large
yellow cheek patches and black plastral mottling (Fig. 2). We
believe that these individuals might be intergrades between
Yellow-bellied and Red-eared Sliders.
Many turtle species, including Red-eared Sliders, Yellowbellied Sliders, and Mississippi Map Turtles (Graptemys pseudogeographica kohnii), have been widely sold throughout the
country by the pet industry (Krysko et al. 2011). Although
Yellow-bellied Sliders currently are not abundant in the Texas
pet trade, we believe that the voucher specimen is most likely
a “pet turtle” drop off, wherein a young turtle was purchased
and the owner subsequently released it into a local waterway.
This individual’s relatively small size (presumably reflecting
a young age class) suggests that this turtle had recently been
released at the park. Rose et al. (1998) reported a similar situation in a nearby locality by documenting the introduction
of Florida Red-bellied Cooters (Pseudemys nelsoni) in Hays
County, Texas.
Invasive species have been a major issue in Florida for
many years (Krysko et al. 2011). Although Texas has fewer
invasive species than Florida, species like the Yellow-bellied
Slider can pose serious ecological issues. Introduced sliders
could compete with native species or, as suggested by the
presence of putative hybrids, compromise the genetic integrity of native Red-eared Sliders through interbreeding.
Acknowledgements
We thank the SWCA Environmental consultants for supporting the research crew during the sampling at Comal Springs
as well as current and past North American Freshwater Turtle
Research Group (NAFTRG) volunteers, who have facilitated
this long-term study over the past 14 years.
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INTRODUCED SPECIES
Literature Cited
IRCF REPTILES & AMPHIBIANS • 20(2):92–94 • JUN 2013
Dixon, J.R. 2013. Amphibians and Reptiles of Texas with Keys, Taxonomic Synopses,
Bibliography, and Distribution Maps. 3rd ed. Texas A&M University Press,
College Station.
Buhlmann, K, T. Tuberville, and W. Gibbons. 2008. Turtles of the Southeast.
University of Georgia Press. Athens.
Krysko, K.L., K.M. Enge, and P.E. Moler. 2011. Atlas of Amphibians and Reptiles
in Florida. Final Report, Project Agreement 08013. Florida Fish and Wildlife
Conservation Commission, Tallahassee.
Conant, R. and J.T. Collins. 1991. A Field Guide to Reptiles and Amphibians, Eastern
and Central North America. 3rd ed. Houghton Mifflin Company, Boston,
Massachusetts.
Rose, F.L., R.W. Manning, T.R. Simpson, and S. Jenkins. 1998. A sustaining population of the Florida Red-bellied Turtle, Pseudemys nelsoni (Reptilia: Emydidae) in
Spring Lake, Hays County, Texas. Texas Journal Science 50:89–92.
Dixon, J.R. 2000. Amphibians and Reptiles of Texas. 2nd ed. Texas A&M University
Press, College Station.
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