More Endangered species

The North Atlantic right whale is one of the world's largest animals, but scientists estimate that fewer than 450 remain. In the past, they were hunted for their oil and baleen; now they get tangled...
Largely due to overfishing, the Southern Bluefin Tuna is listed as " critically endangered ." If its population continues to decline, the species faces the possibility of extinction. It's not alone...
A close up view of Phoenix and the rough patches of skin known as callosities that are found on all North Atlantic right whales . These callosities are inhabited by small amphipods called whale lice...
The small vaquita ( Phocoena sinus ), a type of porpoise, usually only reaches lengths of 5 feet (1.5 meters). They are only found in the Northern part of the Gulf of California off the coast of...
In the 1940s the short-tailed albatross population plummeted from tens of millions to such a small number that they were believed to be extinct. Their decline was due to hunting for their feathers...
Phoenix swimming with her calf in February 2007 in the Southeast calving grounds off the coasts of Georgia and Florida. Researchers track these highly endangered whales (there are only about 450 of...
In the Pacific Ocean, four ocean currents merge to form the North Pacific gyre, also known as the North Pacific Subtropical High, which spans the western US to Japan, and Hawaii to California. This...
West Indian Manatees, Trichechus manatus , are found in warm, shallow coastal ecosystems along the southeastern North America and northeastern South America. They graze plants in mangrove ecosystems...
Since 1987, researchers have been tracking Phoenix. More about whales can be found in our Tale of a whale featured story .
The International Union for the Conservation of Nature ( IUCN ) maintains the Red List of Threatened Species , an inventory of the global conservation status of plants and animals. In a 2010 study ,...
The critically endangered Hawaiian monk seal ( Monachus schauinslandi ) is one of hundreds of marine species that can be found cruising the waters of Papahānaumokuākea, a chain of islands northwest...
Endangered Pacific leatherback sea turtles now have nearly 42,000 square miles of Pacific Ocean to call their own. Thanks to a decision in January 2012 by the National Marine Fisheries Service, these...
Once common in the West Indies, the Black Capped Petrel ( Pterodroma hasitata ), which breeds in high Caribbean mountains, is now on the endangered species list. Unlike many seabirds, it is active...
Sarah Gotheil, from IUCN Global Marine Programme , snapped this photo in the course of her research into fragile species and ecosystems. A new project led by IUCN will unveil the mysteries of...
These statistics come from a United Nations Food & Agriculture Organization 2007 review of the status of global fish stocks. Learn more in our Sustainable Seafood section .
White abalones are slow-moving, algae-eating mollusks. Rapid overharvesting since the 1970s has resulted in white abalones becoming the first marine invertebrate listed as endangered on the...
Since 1987, researchers have been tracking Phoenix, one of the last North Atlantic right whales living today. It's estimated that there are fewer than 500 of these whales alive today. Read her story...
Phoenix swims in George’s Bank, off the coast of New England, on March 13, 2009. More about whales can be found in our Tale of a whale featured story .
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