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threatened and/or endangered

Cascades Frog Rana cascadae


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Cascades Frog
credit: Walter Siegmund

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Family: Ranidae, True Frogs view all from this family

Description Brown-olive. Back & legs have black spots. Dorsal folds, smooth eardrum. Belly yellow.

Dimensions 4.4-7.5cm. (1 3/4-2 5/16")

Voice Low-pitched notes. 1-6 per second.

Breeding May-August. Up to 425 eggs at a time, placed in shallow water. Reach full size after 3 years.

Habitat Temperate forests, temperate grassland, rivers, swamps, freshwater lakes, intermittent freshwater lakes & freshwater marshes.

Range Cascade Range, Olympic Mountains, Oregon. Washington.

Discussion Diet includes a variety of invertebrate prey. Diurnal. Will swim when threatened. Releases antimicrobial peptides when threatened.