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The Ocean Blog

The Papahānaumokuākea site in the United States was inscribed on the World Heritage List in 2010. The site is a vast isolated cluster of small low-lying islands and atolls with its surrounding ocean...
Johnson's seagrass is the lone ocean plant species listed under the Endangered Species Act. Its flowing green stalks play an important role in coastal ecosystems where they act as nursery grounds for...
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...
Phoenix’s mother, Stumpy (#1004), was killed in a collision with a ship near Virginia in February 2004. She was pregnant with her sixth known calf. More about whales can be found in our Tale of a...
Stretching up to 16.8 meters (55 feet) long and weighing up to 62 tons (70 tons), the North Atlantic right whale is one of the world’s largest animals—and one of the most endangered whales...
A Florida manatee, Trichechus manatus latirostris , swims down a narrow channel into a freshwater spring late in the day.
Watch a recorded webcast about the latest efforts in Greece to study and save the critically endangered Mediterranean monk seal. Centuries of human exploitation and habitat destruction have caused...
Since 1987, researchers have been tracking Phoenix. More about whales can be found in our Tale of a whale featured story .
A drawing of Phoenix from the Right Whale Catalog documents her callosity pattern and other identifying marks. More about whales can be found in our Tale of a whale featured story .
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...
The fringed baleen plates are easy to observe as this North Atlantic right whale skims the water’s surface while it feeds. Many baleen whales suck in as much water was possible, and then push it out...
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...
The Sundarbans National Park site in India was inscribed on the World Heritage List in 1987. The site, located in the Ganges delta, contains the world's largest mangrove forest and hosts a number of...
Researchers have identified five areas of high North Atlantic right whale concentration between Canada and Florida. More about the right whale can be found in our Tale of a Whale featured story.
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 is seen skim feeding off the coast of Maine in August 2004. More about the right whale can be found in our Tale of a Whale featured story .
The Socotra Archipelago site in Yemen was inscribed on the World Heritage List in 2008. The marine life is diverse and includes 283 species of coral, 730 species of coastal fish, and 300 species of...
Extinction is a real possibility for three species of tunas. That’s one of the messages from a new study released today online in the journal Science . Researchers assessed the range and populations...
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