NWT Northern Leopard Frog (Lithobates pipiens) - Prairie & Western Boreal population

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Photo: S. Orchard

Species at Risk (NWT) Act list: No status Federal Species at Risk Act list: Special Concern COSEWIC Assessment: Special Concern  NWT General Status Rank: Sensitive The Northern Leopard Frog is found in the South Slave region. It is ranked as Sensitive in the NWT general status ranks and listed as Special Concern under the federal Species at Risk Act. Populations in the NWT are at the extreme northern limits of the species range in North America and have only been found near the Slave, Taltson, and Tazin rivers. The only known over-wintering or hibernation site is near Frog Rock on the Taltson River. The number of Northern Leopard Frogs has declined in many parts of western Canada since 1980 and the cause remains unknown.

Identification

This frog is usually green (but may also be brownish) and has dark spots with distinct light borders. It has an unmarked milky-white underside. It grows to a maximum length of approximately 110 mm. The call is a long drawn-out rattling snore, usually punctuated at the end with several rapid short grunts.

Distribution of the Northern Leopard Frog