For decades, fish-eating killer whales in the Pacific Northwest have been observed harassing and even killing porpoises without consuming them—a perplexing behavior that has long intrigued scientists.
Plants & Animals
Sep 28, 2023
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134
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 ...
Plants & Animals
Feb 17, 2023
0
118
A chemical used in the production of toilet paper and 'forever chemicals' have been found in the bodies of orcas in B.C. , including the endangered southern resident killer whales.
Plants & Animals
Jan 12, 2023
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47
The endangered southern resident killer whale population isn't getting enough to eat, and hasn't been since 2018, a new University of British Columbia (UBC) study has determined.
Plants & Animals
Jun 27, 2022
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1312
The Fraser River estuary in British Columbia is home to 102 species at risk of extinction. A new study says it's not too late to save these species if action is taken now.
Plants & Animals
Nov 27, 2020
3
212
A male orca's best friend is his old mother.
Plants & Animals
Jul 22, 2023
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42
As a key food supply declines, the endangered population of Southern Resident killer whales, known to frequent the Salish Sea off the coasts of Washington and British Columbia, is spending far less time in that region, a ...
Ecology
Mar 24, 2023
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202
When Blair Mase arrived at the Palm Coast beach around 9 a.m. Wednesday, she was in disbelief.
Ecology
Jan 13, 2023
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126
As marine species continue to decline worldwide, the southern resident killer whale population—which now stands at 75 individuals—along the west coast of North America, has baffled scientists who are trying to understand ...
Plants & Animals
Sep 21, 2022
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30
Reducing ship speed and noise levels would increase the probability that endangered West Coast southern resident killer whales will spend more time hunting for Chinook salmon, a new Simon Fraser University study has found.
Plants & Animals
Oct 28, 2021
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40
