Birdwatch Note Rating
2024-02-17 17:00:46 UTC - HELPFUL
Rated by Participant: 16BC082042A33C88D7F1FB5F04957E8D7ADF62A46EC99747BCB32200E2DCC179
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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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