Killer Whale “Peanut Head”

Posted August 26, 2021 at 5:50 am by

South­ern Res­i­dent orca, J28, with “peanut head” swim­ming with her mal­nour­ished calf, J54 (Octo­ber 2, 2016/CWR Encounter #110). J28 is esti­mat­ed to have died between Octo­ber 16 and 18 — Pho­to © Copy­right Cen­ter for Whale Research

The Cen­ter for Whale Research shares this story…

What is it, when does it hap­pen, and what are the causes?

Sev­er­al weeks ago, K21, the old­est male killer whale (orca) in the South­ern Res­i­dent com­mu­ni­ty, was pho­tographed and videoed in a state of severe ema­ci­a­tion, show­ing an extreme ver­sion of what killer whale researchers some­times refer to as “peanut head.”

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Categories: Animals, Science, Wildlife

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