The northern leopard frog (Lithobates pipiens or Rana pipiens) is a species of leopard frog from the true frog family, native to parts of Canada and United States. It is the state amphibian of Minnesota and Vermont.
Order: Anura
Family: Ranidae
Genus: Lithobates
Species: Lithobates pipiens (Schreber, 1782)
Synonyms: Rana pipiens Schreber, 1782