Birdwatch Note Rating
2024-02-17 07:02:20 UTC - HELPFUL
Rated by Participant: B6B6625BC9E5E7753A723787520D6DFB26F84176B599FCA8FDB14A8F7E0FFBB1
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Original Note:
These sardines are migrating from cool-temperate waters to subtropical waters. The behaviour is triggered by the upwelling of cold water they get sandwiched between the coast and a southward-flowing hot current that exceeds the sardines physiological capacity. https://www.science.org/doi/10.1126/sciadv.abf4514
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