Mammals

FEATURES

Video
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...
Blog entry MORE STORIES Blog entry MORE AUDIO / VIDEO
Many animals depend on their eyes to navigate, find food, locate mates, and for...

LATEST POSTS

Lying on the ice with a few friends is not an unusual way to spend time for walruses, who tend to be sociable animals. Their groups can range from tens to thousands. Each individual herd has a dominant male who is established by...
Bottlenose dolphins ( Tursiops truncatus ) are very social animals, and...
The North Atlantic right whale is one of the world's largest animals, but...

LEARN MORE

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...
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 .
The Natural System of Wrangel Island Reserve site in Russia was inscribed on the World Heritage List in 2004. Located well above the Arctic Circle, the site includes the mountainous Wrangel Island,...
An early scale model of North Atlantic right whale Phoenix that was used to develop a life size model for the Smithsonian shows the location of scars on her mouth from entanglements with fishing gear...
This close-up photo of a right whale's head shows dozens of hitchhikers—tiny crustaceans known as whale lice, or cyamid amphipods. They live on the rough patches of skin (known as callosities) on...
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...
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...
The threat that climate change poses to polar bears has received a lot of attention, but they are not the only Arctic species at risk. Ice-loving seals, such as harp, hooded and ringed seals, are...
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...
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...
The whales that we see in today's world can broadly be split into two groups: those with teeth (odontocetes), and those that have baleen (mysticetes) instead of teeth. These two groups share a common...
A team from the Center for Coastal Studies works to free a one-year-old right whale from the fishing ropes wrapped and knotted around its body and flippers. The whale is Kingfisher, #3346 in the...
“In late November, land-locked polar bears gather along the Hudson Bay to await the formation of Arctic ice so they can return to their seal-hunting grounds for the winter.” -- Nature's Best...
Toothed whales, like this common dolphin ( Delphinus delphis ) and its calf, live in social groups called pods. The mother and calf form a pair that shares a long-term bond. Read more about toothed...
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...
Marine mammals around the world face many challenges due to interactions with people, from overfishing and entanglement to vessel strikes and disturbance from human sounds. Dr. Brandon Southall...
“At night, spotted dolphins move offshore into the Gulf Stream’s deep waters in search of squid.” -- Nature's Best photographer, Andrew Sallmon. See more beautiful ocean photos in our slideshow of...
I have a vivid childhood memory of sitting under the Blue Whale model hanging in the Natural History Museum in London, eating an ice cream and wondering “How in the world did that whale get so big?”...
A Northern right whale swims with her calf
Subscribe to Mammals