Birdwatch Note Rating
2024-02-16 23:15:18 UTC - HELPFUL
Rated by Participant: 42049136CB7557BFF3E3F683D1F3B9C93242F9FD4151213B3E68EE691BA89BEA
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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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