description Cascades Frog Overview
The Cascades frog, Rana cascadae, is a medium-sized frog native to mountainous areas of the Pacific Northwest, including the Cascade Range and Olympic Mountains. It inhabits wet meadows, marshes, ponds, and the edges of cold lakes and streams, often at moderate or high elevations. Breeding takes place in shallow water, where exposed eggs and larvae can be affected by changing water conditions, disease, introduced predators, and ultraviolet radiation.
help Cascades Frog FAQ
What is the scientific name of the Cascades frog?
The Cascades frog is Rana cascadae. The species name refers to the Cascade Mountains, one of its main regions.
Where does the Cascades frog live?
It occurs in mountain habitats from the Cascade Range and Olympic Mountains to parts of northern California. It is commonly found in wet meadows, bogs, ponds, lakes, and small streams, often above about 730 meters.
How large is a Cascades frog?
Adults are roughly 4 to 7.6 centimeters long, about the size of a small child's hand. They have a slender body, dorsolateral skin folds, and often a darker eye-mask pattern.
Why is the Cascades frog declining in some areas?
Threats include introduced trout, habitat changes, drought, pesticides, and chytrid disease. The species remains widespread in parts of Washington, but populations have declined severely in some southern parts of its range.
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