Birdwatch Note Rating
2024-02-17 07:03:44 UTC - HELPFUL
Rated by Participant: 8F1D6806133BAF8E549FDACAA2217855B90FB7462B46BB849B588315FCBB6BC8
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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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