Birdwatch Note Rating
2024-02-17 00:23:19 UTC - HELPFUL
Rated by Participant: CDB271ABC23EA15D3A3736C9786100B30D83882D9BE215C9E6F3B1DE75A44964
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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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