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...
Blog entry MORE STORIES Blog entry MORE AUDIO / VIDEO
In honor of Mother's Day, the Citizens of the Sea blog salutes ocean-going...

LATEST POSTS

Bottlenose dolphins ( Tursiops truncatus ) are very social animals, and often travel and hunt in groups called pods. The most common is a nursery group of 5-20 dolphins made up of females and their calves—although occasionally...
The North Atlantic right whale is one of the world's largest animals, but...
A 2010 study of IUCN's Red List of Threatened Species found that one-fifth...

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...
This photograph was snapped as Phoenix swam in the Gulf of Maine in July 2008. More about the right whale can be found in our Tale of a Whale featured story .
The evolution of whales represents one of the great stories in macroevolution. It's a narrative that has mostly benefitted from an extraordinary series of fossils recovered from rocks around the...
Dugongs , along with manatees , make up a group of marine mammals called sirenians or seacows . In the modern world, only one species of seacow is found in any one place in the world. However, the...
There were fewer than 450 North Atlantic right whales in 2006. Yet it has been illegal to hunt them since 1935. Why haven’t populations increased? Traits that made right whales easy to hunt make them...
Polar bear siblings in the Churchill Wildlife Management Area near Hudson Bay spar playfully during migration.
Scientists document a direct relationship between the extent of sea ice and polar bear survival. Future projected reductions in the extent of annual sea-ice due to global warming may result in the...
When a critically endangered North Atlantic right whale becomes entangled in fishing gear, members of a response team from the Atlantic Large Whale Disentanglement Network spring into action. In the...
The Whale Sanctuary of El Vizcaino site in Mexico was inscribed on the World Heritage List in 1993. The sanctuary contains important breeding and wintering sites for the grey whale ( Eschrichtius...
Subscribe to Mammals