Birdwatch Note Rating
2024-02-18 04:33:35 UTC - HELPFUL
Rated by Participant: 7019A6A275C5FD15C8EE1AA45947B9F820A2A84C9805843EC5A32DEFB827B997
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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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