Birdwatch Note Rating
2024-02-17 00:49:42 UTC - HELPFUL
Rated by Participant: DCED9A525BD7D74A7D2EBE65C60697D8227BB287AB85B27953159FD265F3C0B6
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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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