Mammals

FEATURES

Article
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 microphone,...
Killer whales ( Orcinus orca ) are master hunters, using speed, camouflage, and...
Blog entry MORE STORIES Blog entry MORE AUDIO / VIDEO
In honor of Mother's Day, the Citizens of the Sea blog salutes ocean-going...
Blog entry MORE STORIES Blog entry MORE AUDIO / VIDEO
How do we know where ocean animals swim day and night? Scientists are getting...

LATEST POSTS

Researchers from the SOCAL-10 research partnership study the behavior of orcas (commonly called killer whales) and how they react to sonar and other noisy human activities. The partnership is bringing more information about how...
A Galapagos sea lion ( Zalophus wollebaeki ) rests on a beach in Ecuador...
Every North Atlantic right whale has a pattern of callosities unique to that...

LEARN MORE

The International Union for the Conservation of Nature ( IUCN ) maintains the Red List of Threatened Species , an inventory...
A male sperm whale feeding near the surface. Sperm whales are a toothed whale , rather than a baleen whale , and are found throughout the world's oceans.
Killer whales ( Orcinus orca ) have something in common with humans: early menopause. Read Smithsonian marine scientist Nancy Knowlton's blog post to find out more.
Male northern elephant seals face off on the beach by vocalizing through their extended noses, called proboscises. Every winter, when the seals return to the beach where they were born to breed,...
“I took this photograph of spinner dolphins in calm waters off the Ogasawara Islands, an archipelago in the Pacific Ocean about 600 miles south of Tokyo.When the sun briefly broke through the clouds...
A North Pacific right whale (Eubalaena japonica) swims in the Bering Sea.
Fargo, the dog pictured here, is not just having a relaxing day at sea. He is helping researchers at the New England Aquarium in Boston detect scat (or poop) from North Atlantic right whales . The...
Traveling aboard the Charles W. Morgan , a 173-year-old whaling ship on its 38th Voyage, I’m struck by its paradox: this vessel which spent years chasing and killing whales is now helping us to study...
The Wadden Sea site in Germany and the Netherlands was inscribed on the World Heritage List in 2009. It’s a large relatively flat coastal wetland environment, with tidal channels, sandy shoals, sea-...
A North Atlantic right whale with a deep wound caused by entanglement in fishing gear floats at the surface in the Bay of Fundy on August 1, 1999. Crew members on the International Fund for Animal...
Monk seals -- the only completely tropical species of seal in the world -- are in trouble. Centuries of human exploitation and habitat destruction have caused the remaining populations of...
The yellow features in this 3-D reconstruction of a fin whale fetal skull represent the early developmental stages of ear bones, characteristics that are extremely rare, fragile and nearly impossible...
Both humans and sea lions get sick from eating fish and shellfish that have been feeding on harmful toxic algae. Studying the sick sea lions brings scientists closer to understanding and preventing...
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...
Editor's note: Read Nick's first blog post about "toothed" baleen whales to see what their team is excavating on Vancouver Island. We departed from Port Renfrew on Tuesday morning on the Michelle...
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...
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...
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...
Jorge and I packed up the night we arrived in Panama with Aaron O'Dea and his team from STRI . The road we took in two field vehicles mostly followed the Panama Canal heading northwards; we had to...
Subscribe to Mammals