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Ontario Reptile and Amphibian Atlas

Reptiles and amphibians are experiencing global declines of 20 and 40 percent respectively. In Ontario, 75 percent of reptiles and 35 percent of amphibians are listed as nationally and provincially at risk.

Blanding's turtle © Scott Gillingwater

Distribution of Reptiles and Amphibians

The Ontario Reptile and Amphibian Atlas is a citizen-science project that tracks distributions and spatial trends of reptiles and amphibians across the province over time. The over-arching goal is to increase the collective knowledge base of reptiles and amphibians. Equally important, however, is the engagement of non-scientists of all ages and abilities, in all parts of the province, in nature study and conservation.

Learn about the diversity of Ontario’s reptiles and amphibians, and the actions you can take.

Bullfrog © Brad Thompson

Report Your Sightings

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Online Form

Submit your sightings on your desktop or laptop.


Submit your sighting on your phone or tablet, and see your data.


Fill out the submission spreadsheet, then email it as an attachment.


Print and fill out the submission spreadsheet, then mail it.

Field Guide

Check out our comprehensive field guide about Ontario’s reptiles and amphibians including descriptions, habitat, biology, threats and trends, range maps, and current status and protection.

Smooth Greensnake © Mike Weissmann

Other Ways to Get Involved

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Five-lined skink © Noah Cole


By contributing sightings on the atlas your data directly supports conservation initiatives across the province. A few of the ways your data informs conservation include:

Gray ratsnake field research © Scott Gillingwater

Test your identification skills with our online modules

Developed with the Ontario Reptile and Amphibian Survey Course these modules have been created to help test your knowledge of Ontario’s herp species.

Frogs: Level 1Level 2

Snakes and skink: Level 1, Level 2

TurtlesLevel 1Level 2

Salamanders: Level 1Level 2

Red-spotted newt eft © Scott Gillingwater

The Ontario Reptile and Amphibian Atlas is generously supported by:

Government of Ontario logoEnvironment and Climate Change Canada logo

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