Identification Key to Juvenile and Adult Amphibians of Alberta
photo: ACA, Kris Kendell
Northern Leopard Frog
Dorsolateral folds well-defined and white or cream-coloured; large round or oval dark spots with light borders.
That's the one!
photo: Twan Leenders
Wood Frog
Well-defined dark eye mask; no red on underside of hind legs and belly; may have distinct narrow light stripe down center of back.
That's the one!
photo: Richard D. Sage
Columbia Spotted Frog
Indistinct eye mask; often with red colour on underside of hind legs and belly with age; small irregular dark spots with light centres; never with light stripe down centre of back.
That's the one!