Cascades frog

Species of frog Cascades frog A R. cascadae rests at the edge of a lake. (U.S. National Park Service photo by Ivie Metzen) Conservation status Least Concern (IUCN 3.1) Scientific classification Kingdom: Animalia Phylum: Chordata Class: Amphibia Order: Anura Family: Ranidae Genus: Rana Species: R. cascadae Binomial name Rana cascadaeSlater, 1939 The Cascades frog (Rana cascadae) is a species of frog in the family Ranidae found in the Pacific Northwest, mainly in the Cascade Range and Olympic Mountains. Description Feet are only partly webbed (Alpine Lakes Wilderness) Appearance The Cascades frog has moist, grainy skin, a light olive to brown to color on its back, a yellow jaw stripe on its throat, and bright yellow to orange coloration on its groin and rear legs. The cascades frog also has varying amounts of dorsal spots on its back, with colors that darken from lighter gray to black with age. The colors on the frog's back are also used to attract mates. The shape of the frog's head is most commonly an oval with the mouth coming out to a slight specific point. Female Cascade frogs are typically larger than males, averaging 60–75 mm (2.4–3.0 in), compared to males that average 50