Becky Cottrell

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Whale Rider - TRAILER (2002)

How humpback whales catch prey with bubble nets

Marine biologist explain how humpback whales in the Gulf of Maine catch prey with advanced water technology. Humpback whales (Megaptera novaeangliae) …

For bats and dolphins, hearing gene prestin adapted for echolocation

A little over a decade ago, prestin was found to be a key gene responsible for hearing in mammals. A new study has shown that prestin has also …

California bill would ban orca shows at SeaWorld

A California state legislator is proposing to ban the captivity of killer whales for entertainment at SeaWorld in the wake of CNN's controversial documentary "Blackfish."<p>"It is time that we embrace that the long-accepted practice of keeping orcas captive for human amusement must end," state …

Will Atlantic Ocean Oil Prospecting Silence Endangered Right Whales?

Companies have been cleared to seek seismic noise permits in the Atlantic, but ocean researchers fear for whales.<p>Whales talk. But what makes them stop talking?<p><b>Scientists have long known that the marine mammals use creaks, groans, growls, and buzzes to communicate with each other—often over long</b> …

The deep, beautiful, tragic shared history of whales and humans | Salon.com

Japan Must Halt Whaling Program In Antarctic, Court Says

An international court has ordered Japan to revoke whaling permits in the Antarctic and stop granting new ones.<p>The country's government had argued that hunting whales was part of a research program, but the International Court of Justice ruled Monday that Japan hasn't generated enough scientific …

Why do whales beach themselves?

On Sunday morning, scientists and volunteers struggled to get some of the 55 false killer whales that washed up on a beach near Cape Town, South …

Marine Mammals

Military sonar can alter blue whale behavior

Some blue whales off the coast of California change their behavior when exposed to the sort of underwater sounds used during U.S. military exercises. …

Narwhal's Trademark Tusk Acts Like a Sensor, Scientist Says

The Arctic whale's tusk is actually a tooth that can grow more than nine feet long; it has baffled people for centuries.<p><b>The arctic whale known as the narwhal is famous for the spiral tusk protruding from its head, but scientists have long battled over the horn's purpose.</b><p>On Tuesday, scientists …

Whale graveyard shows mass stranding of species millions of years ago

A mass graveyard of fossilised whales unearthed in Chile was created by four separate strandings over a period of 10,000 years, scientists believe.<p>The skeletons of dozens of baleen whales were found in ancient sandstones beside the Pan-American Highway in the Atacama region of north Chile, where …

Ocean Giants | Going Aquatic: Cetacean Evolution | Nature | PBS

All cetaceans, including whales, dolphins, and porpoises, are descendants of land-living mammals. How did these terrestrial ancestors morph over …

Hypnotically Beautiful Map Lets You Stalk Whales Around Hawaii

Hawaii is practically overrun by humpback whales every October through May when they come from such far-flung places as Russia and Alaska to breed in the shallower and warmer waters. You can hear them sing underwater, watch them splash from the shoreline, and see them snuggle from the air.<p>But Scot …

Elusive Whales Set New Record for Depth and Length of Dives Among Mammals

A new study of elusive Cuvier's beaked whales shows they can dive to nearly 10,000 feet (3,000 meters).<p>A new long-term study looking at the elusive Cuvier's beaked whale reveals the deepest and longest dives ever seen among mammals.<p>The new records indicate behavior that is much more varied and …

How old is this whale? A new way to tell

Whales occupy an outsized place in our imagination. They are mammals, like us, but grand and mysterious, from their enormous size to their social …

Whale survives harpoon attack 130 years ago to become 'world's oldest mammal'

by DAVID GARDNER<p>A giant bowhead whale caught off the coast of Alaska had a harpoon point embedded in its neck that showed it survived a similar hunt …

Whales as ecosystem engineers: Recovery from overhunting helping to buffer marine ecosystems from destabilizing stresses

A review of research on whales shows that they have more a powerful influence on the function of oceans, global carbon storage, and the health of …

Are Whales Smarter Than We Are?

Cetacean brains, such as those of dolphins (left) and humpback whales (right), have even more cortical convolutions and surface area than human …

Whales

Dolphins Use Sponges As Tools To Snag Snacks, Scientists Say

Dolphins can use sponges as tools to snag food they could not otherwise grab, researchers say.<p>This is the first direct evidence that dolphins can use tools to carve out unique places in the food chain, scientists added.<p>Dolphins are often ranked among the smartest members of the animal kingdom. They …