Orcas, like humans, get baby bumps in the early months of pregnancy and grow larger as the pregnancy advances. Researchers ...

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New research from the University of Washington finds some baleen whale species call at such deep frequencies that they’re completely undetectable by killer whales, which cannot hear sounds below 100 ...

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 ...

Underwater shot of a pod of killer whales (orcas orcinus) circling the sun in blue ocean - seamless looping high quality 3d animation Close up of Humpback whale calf swimming along the surface in ...

After being freed, “it began to swim and drive, showing all the great behavior we hope to see in a humpback,” an official ...

An 'imminent threat' assessment in November 2024 set a ticking legal clock that requires two ministers to recommend an ...

Scientists confirm that orcas and dolphins have lost the ability to return to dry land due to irreversible evolutionary ...

Over time, that name morphed into "killer whales." Scientists don't know whether orcas kill for fun. The marine mammals do some things, like killing and tossing dead porpoises in the air ...

Collisions with ships and underwater noise are two major concerns experts say are facing the endangered southern resident killer whale population. | Joan Lopez The southern resident killer whale ...

Imagine hearing a killer whale say "hello" or "bye-bye"—it sounds like a scene from a sci-fi movie, but this phenomenon is backed by science. A 2018 study has revealed that orcas, one of the ocean's ...