Año Nuevo Interpretive Guide for Docents

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Año Nuevo State Park
Interpretive Guide
• Elephant Seal Facts
• Elephant Seal Life Cycle
• Elephant Seal Research
• Plastic and Marine Life
• Año Nuevo Island
California Pinnipeds
Elephant Seal Facts
Pinnipeds include
Seals, Sea Lions (and Fur Seals), and Walruses
Diagrams by Bozena Jantulik
Elephant Seal Facts
Anatomy: Elephant Seal versus Sea Lion
Elephant Seal Facts
Northern Elephant Seal Fact Sheet
Elephant Seal Facts
Northern Elephant Seal Fact Sheet
8 year – Mature Adult
Weaner
3 year – Juvenile
Elephant Seal Facts
12 year – Alpha Bull
Male Nose Growth with Age
Elephant Seal Facts
Northern Elephant Seal Growth
N. Elephant Seal: Total Population
Elephant Seal Facts
Total Population = 4 x pups born
N. Elephant Seal: Año Nuevo Population
Elephant Seal Facts
Total Population = 4 x pups born
Elephant Seal Facts
Male Survivorship
Elephant Seal Facts
Female Survivorship
Photo credit: www.topp.org
Photo credit: www.elephantseal.org
Elephant Seal Facts
N. Elephant Seal Colonies and Tag Colors
Hatch's sea elephant harness oil: obtainable wholesale and retail
from the sole manufacturers J. Hatch & Co., Invercargill, N.Z. - 1906
Tasmanian Archive and Heritage Office
Elephant Seal Facts
Elephant Seals Hunted to Near Extinction
Elephant Seal Facts
Elephant Seal Diet
Elephant Seal Facts
Morphology of Pinnipeds
Photo credit: Peter Spicer, 2012
E-Seal Life Cycle
Bulls Establish Dominance in December
Photo credit: Nicole Teutschel, UCSC, 2009
Alpha Bull with His Harem
E-Seal Life Cycle
Photo credits:
Stealing Beauty
Photography
E-Seal Life Cycle
Birth of a Pup
Photo credits:
Stealing Beauty
Photography
E-Seal Life Cycle
Scavenger Sea Gulls Eating After-Birth Tissue
E-Seal Life Cycle
Females (Cows) and Nursing Pups
Photo credits: www.sanmateocoastnha.com
E-Seal Life Cycle
Pups Gain 10 Pounds per Day with 55% Milk Fat
Photo credit: www.sanmateocoastnha.com
E-Seal Life Cycle
Weaner Life: Healthy Weight and
Swimming / Underwater Breathing Practice
Photo credits:
Frank Balthis
E-Seal Life Cycle
Mating
Photo credits: Rodger Alsobrook, www.sanmateocoastnha.com
E-Seal Life Cycle
Male and Female “Catastrophic” Molting
Photo credits: Pat Morris, 2010
E-Seal Life Cycle
Fatal Shark Bite
Photo credit: NicoleMarieTeutschel, 2008, UC Santa Cruz Long Marine Lab, CA
Tagging of Pacific Predators (TOPP), www.topp.org
E-Seal Research
Attaching Time-depth-recorder
and Satellite (GPS) Tags
Diagram
Photo credit: www.topp.org
E-Seal Research
Single Elephant Seal Track
(Penelope, UCSC, 2008)
Photo credit: www.topp.org (post-molt migration tracks)
E-Seal Research
4000 – 7500 mile Round-trip Migration
(2x per year)
Credit: Heart Rates of Northern Elephant Seals Diving at Sea and Resting on the Beach.
R. D. Andrews and others, 1997. Journal of Experimental Biology, 200, 2083-2095.
E-Seal Research
Heart Rates at Surface and During Dive
Photo credit: Frank Balthis
Plastic and Marine Life
Seal Caught in Plastic Toilet Seat
Photo credit: Peter Spicer
Photo credit: Guy Oliver
Neck Injuries Due to Plastic Lines and Nets Año Nuevo State Park
Photo credit: www.plasticoceans.net
Curious by nature, a Hawaiian monk seal gets caught
in fishing tackle off Kure Atoll, Pacific Ocean
Photo credit: NOAA
Photo credit: Santa Cruz Sentinel
Plastic Debris Affects All Marine Life
Photo credit: U.S. Coast Guard Historian’s Office, Washington, D.C.
Año Nuevo Island
Año Nuevo Island - Ocean Side View - 1953
The oil lens lantern was originally installed on top of the water tank.
In 1913, a steel tower was built to hold the lantern.
Año Nuevo Island
Steel Light Tower and Water Tank - 1957
Photo credit:
California State Parks
Photo credit: Reginald McGovern photograph,
Courtesy, U.S. Lighthouse Society, San Francisco, CA
Año Nuevo Island
Año Nuevo Island Light Station - 1948
Rhinoceros Auklet
Nest Modules Installed Underground
RHAU = Rhinoceros Auklet
CAAU = Cassin’s Auklet
Photo credit:. www.oikonos.org
Año Nuevo Island
Auklet Habitat Restoration
Project Team: Frank Balthis, Ziad Bawarshi, Mike Merritt, Katrina Ricca, Peter Spicer, May 2013

Año Nuevo Interpretive Guide for Docents

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