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They are found in permanent ponds, swamps, marshes and slow moving streams throughout forest, open and urban areas. They noramlly inhabit water bodies with abundant aquatic vegetation. They are well adapted to cold and can be found above 3,000 meters (9,800 ft) asl. Males make a short snore like call from water during spring and summer. Up to 6,500 eggs are laid in water, and tadpoles complete development within the breeding pond. Tadpoles are light brown with black spots, and development takes 70-110 days, depending on conditions. Metamorph frogs are 2-3 centimeters (0.75-1.25 in) and resemble the adult.

This species was once quite common through parts of western Canada until declines started occurring during the 1970s. The decline is thought to have been caused by pollution drift from the United States falling in the form of acid rain. Many populations of Northern Leopard Frogs have not yet recovered from these declines.

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Northern Leopard frogs live in wetlands in northern U.S. and canada.

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10y ago

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