Tag Archives: Andrew Trites

Animals, Rivers & Oceans

Where Killer Whales and Dolphins Hunt Cooperatively

A new study found that Northern Resident Killer Whales and Pacific white-sided dolphins have formed a cooperative hunting relationship to catch Chinook salmon in the Johnstone Strait and Queen Charlotte Sound. The dolphins utilize echolocation to locate fish at depth, but their small teeth are designed primarily to grip prey, and they cannot swallow large species like Chinook salmon whole. Instead, dolphins locate the fish, and then wait for the killer whales move in to tear them apart, scattering bits of tissue and flesh into the water.

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Rivers & Oceans

Report of the Standing Committee on Fisheries and Oceans

Originally published by the Parliament of Canada

On 1 February 2022, the House of Commons Standing Committee on Fisheries and Oceans (the Committee) agreed to undertake a study to “examine how the Department of Fisheries and Oceans prioritizes, resources and develops scientific studies and advice for the department, how the results of scientific study are communicated to the Minister and Canadians, and how the minister applies data and advice provided by the department and other government departments to ministerial decisions.”The Committee heard from 57 witnesses over nine meetings held between 26 April 2022 and 7 October 2022.

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Rivers & Oceans

Southern resident killer whales are not starving due to lack of BC chinook, study finds

The widespread belief that at-risk southern resident killer whales are starving due to a lack of chinook salmon has been debunked. 

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