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Killer whales ( Orcinus orca ) are master hunters, using speed, camouflage, and a variety of techniques to capture their prey. See how a different predator - the great white shark - finds its...
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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...
Blog entry MORE STORIES Blog entry MORE AUDIO / VIDEO
Large whales are notoriously hard to study. Except when rising to breathe, they...

LATEST CATCH

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 often distressed) whale,...
The polar bear ( Ursus maritimus ) is found in the Arctic and classified as...
Humpback whales ( Megaptera novaengliae ) can be found in Antarctic waters...

DIVE DEEPER

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...
Ever collected something a bit strange? Snow globes, pens, stamps and coins are fairly typical, but museum collections can have some odd groups. Like hundreds of whale earwax plugs. Yes, that’s right...
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...
In the episode of One Species at a Time , writer Karen Romano Young takes an icebreaker to Barrow, Alaska, to join in the festival of Naluqatak and learn about the intimate relationship between the...
This magnified photo provides a close-up look at copepods—tiny crustaceans that right whales feed on. There are many species of copepods that live throughout the water column, from floating at the...
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...
Hoping to hear bowhead whales , NOAA marine mammal scientist Sue Moore listens to real-time sounds from an underwater hydrophone.
Arctic scientists study a range of marine animals – from large species like polar bears to the microscopic, like phytoplankton. The amount of phytoplankton at different depths can tell us about the...
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...
“For the past few years I have visited the island of Dominica to enjoy its beauty both above and below the surface. This photo was taken during a lucky encounter with a member of the ‘group of 7’ pod...
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...
A fossil vertebra that a Smithsonian researcher's mother found while prospecting in the Gatun Formation. It's not just any vertebra, it belongs to a fossil sea cow! According to Jorge Valez-Juarbe, a...
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...
This is North Atlantic right whale #3333 who was spotted with fishing gear trailing from his mouth during an aerial survey off the coast of Georgia on January 29, 2008. Entanglement is one of the...
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...
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.
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...
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...
New England Aquarium researchers Dr. Moira Brown and Yan Guilbault conducting aerial surveys for North Atlantic right whales over the Roseway Basin, Canada. More about right whales can be found in...
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