Southern resident killer whales not getting enough to eat since 2018

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The endangered southern resident killer whale population isn't getting enough to eat, and hasn't been since 2018, a new study has determined. The animals have been in an energy deficit, averaged across spring, summer and fall, for six of the last 40 years -- meaning the energy they get from food is less than what they expend. Three of those six years came in the most recent years of the study, 2018 to 2020. The average difference in energy is 28,716 calories, or about 17 per cent of the daily required energy for an average adult killer whale, the authors say.

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