Birdwatch Note Rating
2024-02-17 01:14:09 UTC - HELPFUL
Rated by Participant: D98353FB30173093EAE5F5E782821FFDC07C06548F2B26EBF859924F637318A6
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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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