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When a whale dies, the story has just begun. The massive carcass sinks to the seafloor, where it provides food for a deep sea ecosystem on the otherwise mostly barren seafloor. There are several...
How do right whales size up? North Atlantic Right whales ( Eubalaena glacialis...
The Encyclopedia of Life and Atlantic Public Media bring us another installment...
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Many animals depend on their eyes to navigate, find food, locate mates, and for...

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The largest of all seal species, the southern elephant seal ( Mirounga leonina ) is found in chilly Antarctic and Subantarctic waters. The male seals dive as deep as 1,430 meters (over 4,600 feet) and stay at depth for up to two...
"A juvenile California sea lion performing close to the camera. The speed...
A close up view of Phoenix and the rough patches of skin known as...

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...
Polar bear siblings in the Churchill Wildlife Management Area near Hudson Bay spar playfully during migration.
Narwhals ( Monodon monoceros ) are a type of toothed whale, best known for their long unicorn-like tusk. The tusk is normally found on male narwhals and is actually a tooth. Narwhals usually live in...
Killer whales ( Orcinus orca ) are master hunters, using speed, camouflage, and a variety of techniques to capture their prey. See how a different predator - the great white shark - finds its prey in...
Yankee Whalers: An 1856 Currier & Ives print shows whalers harpooning a right whale. More about whales can be found in our Tale of a Whale photo essay .
Every North Atlantic right whale has a pattern of callosities unique to that individual. This distinctive pattern provides a very visual, convenient tool that researchers can use to tell one...
The Baird's beaked whale is a species of toothed whale. Most toothed whales (which also include dolphins, killer whales and porpoises) live in social groups called pods. Read more about toothed...
Monodontids, the group of whales that includes the belugas and narwhals swimming our ocean today, are emblematic symbols of the Arctic. However, their fossil record, although scarce, suggests that...
An adult giant squid struggles for survival in an encounter with a sperm whale - its only known predator. The whale will probably overpower and eat the squid. More about the giant squid can be found...
"Wild manatees in Belize are not used to humans. Living miles offshore in mangroves, they remain shy and elusive. After weeks searching and waiting for an opportunity to photograph them, I was...
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...
My graduate student Jorge and I are departing today for Panama, to excavate a fossil whale that was discovered by an undergraduate student working with Smithsonian Tropical Research Institute...
A Florida manatee, Trichechus manatus latirostris , swims down a narrow channel into a freshwater spring late in the day.
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 2010 study of IUCN's Red List of Threatened Species found that one-fifth of the world's vertebrates (animals with backbones) are threatened with extinction, including this Hawaiian monk seal. The...
Sirenians , or seacows, are a group of marine mammals that include manatees and dugongs . Currently, only a single species of seacow is found anywhere in the world. However, the fossil record of...
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...
When a whale dies, the story has just begun. The massive carcass sinks to the seafloor, where it provides food for a deep sea ecosystem on the otherwise mostly barren seafloor. There are several...
Whales swimming in the ocean are never really alone. Even if one swims by itself with no other whales for miles around, it still has company—the tiny microbes that live on its skin. For a long time,...
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