Northern Leopard Frog
This medium-sized frog has two skin folds running down each side of the back and dark spots on the back. To distinguish it from the plains leopard frog, look for a continuous, wide skin fold down each side of the back northern leopard frogs also have dark spots surrounded by light rings on their back and a dark spot on their short, blunt nose. Brown or brown-green, with rounded dark spots compared to elongated dark spots found on southern leopard frogs. Makes a deep, rattling snore with occasional clucking grunts.