Birdwatch Note Rating
2024-02-17 00:34:19 UTC - HELPFUL
Rated by Participant: 38E5612EFF6EF67E2AAB1A30D6381174D6F37A429762E7F0A6C29791816CB2B7
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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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