video

Sea Lion Sickness

Both humans and sea lions get sick from eating fish and shellfish that have been...

slideshow

Backbone of Biodiversity at Risk

The International Union for the Conservation of Nature (IUCN) maintains the...

slideshow

A Squalodontid Success

On a beach in Piña, Panama the tide is rolling out. Faint outlines of skeletal...

slideshow

A Trip South to Antarctica’s Ross Sea

The Ross Sea, a 1.9 million square mile (3.6 million square km) stretch of ocean...

Photo

Grey Seal Strikes a Pose

A Grey Seal (Halichoerus grypus) poses in the waters off Acadia National Park in...

Photo

Dugong Feeding

Dugongs, along with manatees, make up a group of marine mammals called sirenians or...

Photo

Atlantic Spotted Dolphins, Little Bahama Bank, The Bahamas

“At night, spotted dolphins move offshore into the Gulf Stream’s deep waters in...

Photo

Polar Bears, Cape Churchill, Manitoba, Canada

“In late November, land-locked polar bears gather along the Hudson Bay to await...

Photo

Crittercam

Smithsonian squid expert Dr. Clyde Roper collaborated with National Geographic to...

Photo

Sperm Whale Post-Mortem

The Smithsonian Marine Mammal team moves into action after a dead sperm whale is...

Article

Flippers or Feet? An Extinct Mammal May Have Been Replaced By Today's Sea Cows

In the seagrass beds and kelp forests of the Oligocene-Miocene transition, nearly...

Article

Keeping An Ear Out For Whale Evolution

Large whales are notoriously hard to study. Except when rising to breathe, they...