Orcas use kelp as a tool to groom and bond with each other

WBUR | By Here & Now Newsroom

Published June 25, 2025 at 8:21 AM PDT

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A southbound orca surfaces off of Point Loma Monday Jan. 29, 2024, in San Diego. (Denis Poroy/AP)

Here & Now‘s Peter O’Dowd speaks with orca expert Michael Weiss about his research on how orcas in the Salish Sea use kelp to groom and bond with each other, a behavior he’s never seen before.

This article was originally published on WBUR.org.

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