Birdwatch Note Rating
2024-02-17 06:47:47 UTC - HELPFUL
Rated by Participant: 0A302156D75B6C0F982A96FE9AF2998C26CA4796683E88A007523A75732F9D80
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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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