Birdwatch Note Rating
2024-02-17 00:24:49 UTC - HELPFUL
Rated by Participant: 78F0D573729C0F8E9AF9A87A1C3CF8D3FC47FF3D509CCBD1B4E9A8E7E1735041
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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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