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Species at risk in Ontario

Learn about species that are classified as at-risk and which species are on the Protected Species in Ontario (PSO) List.

Get the full list of species that receive protection under the Protected Species in Ontario List regulation.

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Amphibians (frogs, toads and salamanders)

Photo credit: Rob Tervo
Allegheny Mountain Dusky Salamander
Endangered, on PSO List
Photo credit: Michael Oldham
Blanchard's Cricket Frog (Northern Cricket Frog)
Extirpated, on PSO List
Photo credit: Steve Reilly
Eastern Tiger Salamander
Extirpated, on PSO List
Photo credit: Sam Brinker
Fowler's Toad
Endangered, on PSO List
Photo credit: Leo Kenney, Vernal Pool Association
Jefferson Salamander
Endangered, on PSO List
Photo credit: Matt Keevil
Mudpuppy
Special concern
Photo credit: Rob Tervo
Northern Dusky Salamander
Endangered, on PSO List
Photo credit: Allen Woodliffe
Small-mouthed Salamander
Endangered, on PSO List
Photo credit: Joe Crowley
Unisexual Ambystoma (Jefferson Salamander dependent population)
Endangered, on PSO List
Photo credit: Thomas Hossie
Unisexual Ambystoma (Small-mouthed Salamander dependent population)
Endangered, on PSO List

Birds

Fishes

Insects

Lichens and mosses

Mammals

Photo credit: JD Taylor
American Badger (Northwestern Ontario population)
Endangered, on PSO List
Photo credit: JD Taylor
American Badger (Southwestern Ontario population)
Endangered, on PSO List
Photo credit: Gerry Racey
Caribou (Boreal population)
Threatened, on PSO List
Photo credit: Kim Bennett
Caribou (Eastern Migratory population)
Special concern
Photo credit: : JD Taylor
Cougar
Special concern
Photo credit: Tim Gibb
Eastern Mole
Special concern
Photo credit: Ed O’Connor
Eastern Red Bat
Endangered, on PSO List
Photo credit: Brock Fenton
Eastern Small-footed Myotis
Endangered, on PSO List
Photo credit: JD Taylor
Eastern Wolf
Threatened, on PSO List
Photo credit: JD Taylor
Gray Fox
Threatened, on PSO List
Photo credit: Kalvin Chan
Hoary Bat
Endangered, on PSO List
Photo credit: Ann Froschauer, United States Fish and Wildlife Service
Little Brown Myotis
Endangered, on PSO List
Photo credit: Ann Froschauer, United States Fish and Wildlife Service
Northern Myotis
Endangered, on PSO List
Photo credit: Martyn Obbard
Polar Bear
Threatened, on PSO List
Photo credit: Jacques Turner-Moss
Silver-haired Bat
Endangered, on PSO List
Photo credit: Chris G. Earley
Tri-colored Bat
Endangered, on PSO List
Photo credit: istockphoto.com
Wolverine
Threatened, on PSO List
Photo credit: United States Army Corps of Engineers
Woodland Vole
Special concern

Molluscs (snails and mussels)

Plants

Reptiles (snakes, lizards and turtles)

Related

How species at risk are protected and conserved

How to comment on protecting species at risk

Updated: March 30, 2026

Published: July 12, 2018