Food quality matters for southern resident killer whales

ScienceDaily
Feb 17, 2023, 8:23 pm87 pts
Not all Chinook salmon are created equal, and this has a major impact on the energetics for southern resident killer whales. A recent study quantified the lipid content in Fraser River Chinook salmon -- the southern resident's preferred meal -- and found that spring-run Chinook salmon, the earliest to arrive…

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