Birdwatch Note Rating
2024-02-17 00:26:57 UTC - HELPFUL
Rated by Participant: C4539CEB4F5DD1A7DB192F5D589B0329782F9173DB9B6ED2C956B3E63515189C
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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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