Birdwatch Note Rating
2024-02-17 01:41:41 UTC - HELPFUL
Rated by Participant: 253C7E363B0B3225213B2426A9C535835CC41A3BC6AC3887F000A01F0E8401BB
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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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