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In honor of Mother's Day, the Citizens of the Sea blog salutes ocean-going mothers everywhere. Especially a 60 year-old albatross named Wisdom. She holds the seabird records for both oldest bird and oldest new...
Blog entry MORE STORIES Blog entry MORE AUDIO / VIDEO
How do we know where ocean animals swim day and night? Scientists are getting...
Blog entry MORE STORIES Blog entry MORE AUDIO / VIDEO
Large whales are notoriously hard to study. Except when rising to breathe, they...
Blog entry MORE STORIES Blog entry MORE AUDIO / VIDEO
Whales swimming in the ocean are never really alone. Even if one swims by...

LATEST CATCH

This whale is entangled in fishing gear. Entangled whales often need human help to break free from the fishing gear . But the job is hard one that requires handling a small boat near the large (and often distressed) whale,...
The polar bear ( Ursus maritimus ) is found in the Arctic and classified as...
Humpback whales ( Megaptera novaengliae ) can be found in Antarctic waters...

DIVE DEEPER

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...
Two North Atlantic right whales ( Eubalaena glacialis ) swim at the surface of the water. Learn more about this species in the North Atlantic Right Whale section.
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...
This is North Atlantic right whale #3333 who was spotted with fishing gear trailing from his mouth during an aerial survey off the coast of Georgia on January 29, 2008. Entanglement is one of the...
The Smithsonian has more whale skulls and skeletons than any other collection in the world. This photo provides a small glimpse of the amazing variety of skulls and skeletons available for study...
How do right whales size up? North Atlantic Right whales ( Eubalaena glacialis ) are big, but they're not the biggest whales. That distinction goes to the Blue whale ( Balaenoptera musculus ), the...
During the winter and spring months, tagged fur seals migrate thousands of miles in open water. Scientists are watching this species closely in order to determine the mystery of its population...
North Atlantic right whales migrate seasonally between calving and feeding grounds along the eastern coast of the United States. Most North Atlantic right whales go south for the winter, to the...
A Galapagos sea lion ( Zalophus wollebaeki ) rests on a beach in Ecuador. The population of these charming animals swings wildly during El Niño events, but is declining overall. They are currently...
A harp seal ( Phoca groenlandica ) pup rests on the ice at sunset in the Gulf of St. Lawrence, Canada while its mother hunts. Adult harp seals have dappled gray fur, but the babies are born white and...
The bowhead whale has a massive, bow-shaped skull to break through thick Arctic ice, and more blubber than any other whale.
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...
Many animals depend on their eyes to navigate, find food, locate mates, and for other important activities. But marine mammals often rely on sound—sometimes far more than sight—for such critical...
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 .
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...
“For the past few years I have visited the island of Dominica to enjoy its beauty both above and below the surface. This photo was taken during a lucky encounter with a member of the ‘group of 7’ pod...
In the late 1990's, researchers at the Woods Hole Oceanographic Institution (WHOI) invented the D-Tag —a radio device that can be attached by suction cups to a whale's back. Using a tiny underwater...
This illustration shows how fishing lines attached to traps and buoys on the ocean floor present a potentially deadly hazard to North Atlantic right whales. Freeing entangled whales involves a...
Researchers frequently track North Atlantic right whales from ships or from the air. This video of Phoenix (left) was captured in March 2009 on George’s Shoal, east of Chatham, Mass. Learn more about...
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