Birdwatch Note Rating
2024-02-17 15:22:42 UTC - HELPFUL
Rated by Participant: 5BEC898D4A777627A96D244B0DBA8E58C8069DE572AEC774DDAED92F8AD821FD
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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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