The plants and animals of Cape Breton Highlands National Park include a number of species at risk. Five of these are now extinct, extirpated from the Maritime provinces, or endangered. See this table for a list of species that are present or have once occurred in the park. The wildlife and flora listed here was assessed by the Committee on the Status of Endangered Wildlife in Canada (COSWEIC).

 

Species at risk in Cape Breton Highlands National Park
Extirpated Endangered Threatened Special concern Being assessed Not assessed Not at risk
Birds
- - Bicknell's thrush Short-eared owl  - - -
- - Chimney swift  Evening grosbeak  - - -
- - Common nighthawk Rusty blackbird - - -
- - Olive-sided flycatcher Eastern wood-pewee - - -
- - Barn swallow - - - -
- - Bank swallow - - - -
- - Canada warbler - - - -
Bumblebees
- - - Yellow-banded bumblebee - - -
Fish
- Atlantic salmon - Eastern Cape Breton population American eel Striped bass - - -
- - - Atlantic salmon - Gaspé - sGSL population - - -
Lichens
- - Black-foam lichen - - - -
Mammals
Woodland caribou - Atlantic Gaspésie population Little brown bat - - - American marten Canada lynx
Eastern wolf Northern bat - - - - -
Vascular plants
- - - - Black ash - -