Birdwatch Note Rating
2024-02-17 00:09:12 UTC - HELPFUL
Rated by Participant: F234A18E78E1164B1EF8BFAD22F26651FFBAA1B66F0A68B24A07511CC2FC1211
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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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