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Killer whales are the only natural predator of baleen whales—those that have "baleen" in their mouths to sieve their plankton ...

New research finds some baleen whale species call at such deep frequencies that they're completely undetectable by killer whales, which cannot hear sounds below 100 hertz. These also tend to be the ...

Some baleen whales avoid killer whale attacks by singing songs at deep frequencies that their predators cannot hear.

Killer whales are the only natural predator of baleen whales — those that have "baleen" in their mouths to sieve their plankton diet from the water ...

Follow a team of scientists and filmmakers in Antarctica studying the most sophisticated hunting strategy in the animal kingdom – killer whales making waves to wash seals off floating ice. “Expedition ...

The super-low, super-loud songs of flight species like blue and fin whales are the perfect tool: they can attract a female from hundreds of kilometers away, while being acoustically invisible to ...

On Thursday, the Aquarium of the Pacific released its first Marine Species Report Card, detailing the population trends of 30 ...

The endangered southern resident killer whales that visit Puget Sound were listed for protection under the federal Endangered ...

POWELL − The Columbus Zoo and Aquarium has announced Dr. Kathayoon Khalil is the vice president and director of the Zoo and The Wilds’ conservation programs.

Mariia Zelenina tells PEOPLE she was "scared" when the Chinese sturgeon "pounced" on her at China's Xishuangbanna Primitive ...

The documentary tells the story of the last southern resident killer whale held in captivity, and the efforts of two Lummi women to bring the orca home to a net pen sanctuary.