orca

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    Australia August 2, 2021
  • Orca learns to mimic human speech

    Copying ability sheds light on killer whale “dialects”.

    Researchers have taught a captive killer whale to blow raspberries and mimic the word “hello” with its head above wat...

    Marine life January 31, 2018
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    A family female conflict led to the evolution of the reproductive strategy.

    Mother-daughter conflict drives orca menopause, new research shows. Credit: Emma Foster Menopause is an evolutionary...

    Biology January 12, 2017
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    New research shows just how quickly orca groups spread.

    Some Antarctic killer whales sup on seals. Others, such as this one, prefer penguins. Credit: HOLLY FEARNBACH / NOAA ...

    Biology June 1, 2016
  • Ship noise may muffle killer whales’ chatter

    Noise in shipping lanes overlaps with orcas’ hunting clicks, writes Belinda Smith.

    As if endangered southern resident killer whales didn’t have it tough enough already, new research shows the noise fr...

    Social Sciences February 2, 2016