Mammals

FEATURES

Blog entry
Humpback whales ( Megaptera novaengliae ) are the most abundant baleen whale in the nearshore waters around the Antarctic Peninsula. They, along with millions of penguins, seals, seabirds, and other whales, feed primarily on...
In the late 1990's, researchers at the Woods Hole Oceanographic Institution (...
Killer whales ( Orcinus orca ) are master hunters, using speed, camouflage, and...
In honor of Mother's Day, the Citizens of the Sea blog salutes ocean-going...

LATEST POSTS

The polar bear ( Ursus maritimus ) is found in the Arctic and classified as a vulnerable species by the IUCN Red List of Threatened Species. This marine mammal can swim more than 30 miles when sea ice has receded due to warm...
Humpback whales ( Megaptera novaengliae ) can be found in Antarctic waters...
Harp seals are protected in the United States by the Marine Mammal...

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...

The Ocean Blog

Striped dolphins ( Stenella coeruleoalba ) observed in emulsified oil on April 29, 2010 in the Gulf of Mexico, a few days after the Deepwater Horizon oil spill. It's going to take years to understand...
The ocean sustains land animals besides humans. Here, a fox looks for a meal at low tide on the Arctic Peninsula. When the tide goes out, it leaves behind tidepools full of tasty snacks for foxes and...
Humpback whales ( Megaptera novaengliae ) are the most abundant baleen whale in the nearshore waters around the Antarctic Peninsula. They, along with millions of penguins, seals, seabirds, and other...
The common bottlenose dolphin ( Tursiops truncatus ) has lungs, but doesn't breathe through its mouth. Instead, toothed whales breathe through a blowhole on top of their head. Read more about...
Whale baleen, the stiff bristly mouthparts that sieve small prey from the water, was strong yet flexible, and was used to provide structure in many human products, including umbrellas, corsets, and...
In December 2003, researchers spotted Phoenix off the coast of Florida with her second calf. More about the right whale can be found in our Tale of a Whale featured story .
Illustrator Drew Christie created this light-hearted short film about how humans could really learn something from whales. Check it out and learn about all the different cetaceans and our...
Scientists from the U.S. and Greece are working from opposite sides of the ocean to save the Hawaiian (pictured here) and Mediterranean monk seals . The IUCN Red List of Threatened Species has...
The Surtsey site in Iceland was inscribed on the World Heritage List in 2008. Surtsey is a new island, formed by volcanic eruptions that took place from 1963 to 1967. The site is unique, because it's...
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...
A still from Where the Whales Sing , part of the 19th Annual Environmental Film Festival in the Nation's Capital.
By Caty Fairclough In centuries past, the ocean was thought to be full of krakens, sea serpents, sea monsters and other fantastic creatures. They helped to bring the mysterious ocean into the more...
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...
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...
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 model marker applies paint to the life-size, meticulously detailed model of the North Atlantic right whale Phoenix which today is on exhibit in the Smithsonian’s Sant Ocean Hall in the National...
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?”...
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...
Subscribe to Mammals