Birdwatch Note Rating
2024-02-17 08:51:59 UTC - HELPFUL
Rated by Participant: 44680BA2D156ADCA6CB6CF204A3CE00EC42952CB3C3257B291A0C78DD2F78D90
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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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