Birdwatch Note Rating
2024-02-17 00:09:38 UTC - HELPFUL
Rated by Participant: F1A6A552D7867C88711FAB8C7AEB6C9B640E688A910CB5F058F51F6F80A1AFC0
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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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