Leatherback

Leatherback sea turtles have been on Earth for more than 100 million years, but now they are critically endangered, and could go extinct in our lifetime if we don't act to protect and recover their imperiled populations.

Ted Danson: A Safe Haven for Leatherbacks Ted Danson 2012

"In the three beaches we've taken care of," Mr. Cousteau reported, "we've been able to collect 200,000 eggs from endangered species," among them the Green, Olive ridley , Leatherback and Eastern Pacific Hawksbill.

One Well-Suited Man Ralph Gardner Jr. 2011

The Greenback and Leatherback turtles in Costa Rica are the approximate dimensions of a Full Size mattress and weigh at least 300 pounds, which is why they are called giant turtles!

Lauri Lyons: Go Wild and Green in Costa Rica! Lauri Lyons 2010

Leatherback sea turtles migrate an astonishing 6,000 miles across the Pacific to feed on jellyfish in the waters off the U.S. West Coast.

Ted Danson: A Safe Haven for Leatherbacks Ted Danson 2012

Leatherback turtles in the Pacific have declined in the last 30 to 40 years, caused mainly by drowning in fishing nets.

Secret voyages of leatherback turtles revealed using transmitters 2011

The Greenback and Leatherback turtles in Costa Rica are the approximate dimensions of a Full Size mattress and weigh at least 300 pounds, which is why they are called giant turtles!

Lauri Lyons: Go Wild and Green in Costa Rica! Lauri Lyons 2010

The turtles currently at risk are Kemp's ridley, Green, Loggerhead and Leatherback with nearly 200 already dead.

Sarah Newman: Eight Ways to Save the Gulf's Endangered Species 2010

Under the aegis of The ASVO Association of Volunteers, a not-for-profit NGO that promotes environmental preservation throughout Costa Rica, the Sea Turtle Conservation Project is successfully helping to protect and propagate this endangered group by maintaining a hospitable and safe breeding environment, operating hatcheries, and observing and documenting species -- which include Green, Olive Ridley, Carey, Hawksbill and the occasional Leatherback.

Suzan Crane: Costa Rica's Endangered Sea Turtles Released in Matapalo Suzan Crane 2010

Under the aegis of The ASVO Association of Volunteers, a not-for-profit NGO that promotes environmental preservation throughout Costa Rica, the Sea Turtle Conservation Project is successfully helping to protect and propagate this endangered group by maintaining a hospitable and safe breeding environment, operating hatcheries, and observing and documenting species -- which include Green, Olive Ridley, Carey, Hawksbill and the occasional Leatherback.

Suzan Crane: Costa Rica's Endangered Sea Turtles Released in Matapalo Suzan Crane 2010

Leatherback turtles and sperm whales dive to the 3,200-foot depths where plumes have now been detected, and aren't smart enough to take evasive action.

What the Spill Will Kill 2010