sensitive species
(Science: ecology, zoology) species that can only survive within a narrow range of environmental conditions and whose disappearance from an area is an index of pollution or other environmental change.
Those species which rely on specific habitat conditions that are limited in abundance, restricted in distribution, or are particularly sensitive to development.
plant or animal species which are endangered species, or candidate species, protected bird species under endangered species laws and regulations, plant protection laws and regulations, fish and game codes, or species of special concern listings and policies, or species recognised by national, state, or local environmental organisations.
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