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climate canary

From Wiktionary, the free dictionary

English

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Etymology

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Similar to the miner's canary, from which the term is derived.

Noun

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climate canary (plural climate canaries)

  1. A species that is affected by an environmental danger prior to other species, thus serving as an early warning system for the other species with regard to a danger.

Usage notes

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Hypernyms

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References

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