Females may lay egg masses in communal clusters. A Wyoming study found that females breed yearly at low elevations, but only every two or three years at higher elevations. They usually breed from mid-March through June, depending on elevation. Reproduction: Spotted frogs are not sexually mature until 4 years for males and 6 years for females. Native frogs typically mate and lay eggs from late January through early May, whereas Bullfrogs do so from. This species is in decline across some of its range, but seems to be widespread and abundant in Idaho. Control Bullfrog populations by removing egg masses. They may move overland in spring after breeding. The larvae eat algae, organic debris, plant tissue, and tiny water-borne organisms.Įcology: Spotted frogs hibernate depending on range, and are mostly inactive in winter. In the Northwest, the Columbia spotted frog prefers areas with thick algae and emergent vegetation, but may use sunken, dead, or decaying vegetation as escape cover.įood: Spotted frogs eat a wide variety of insects, along with mollusks, crustaceans, and arachnids. The frog is highly aquatic, but may disperse into forests, grasslands, and brushlands. They prefer hilly areas near cool, permanent, quiet water in streams, rivers, lakes, pools, springs, and marshes. Habitat: Spotted frogs can be found in areas up to 9850 feet in elevation. Range: The spotted frog can be found from extreme southeastern Alaska, south through western Alberta to coastal Oregon and Washington, and east to northern Wyoming, northern Utah, and central Nevada. Females are generally about 4 inches in size males are usually about 3 inches. The frog's undersides are usually cream-colored the lower abdomen and the undersides of the hind legs are usually a reddish-orange, but can also be yellow. There is a stripe on the lower jaw, and dorsolateral (on both the back and the sides) folds or ridges are usually present. The frog has upturned eyes and relatively short hind legs with extensive webbing. Description: The Columbia Spotted Frog may be tan, gray, brown, reddish-brown, or red above with irregular black spots with indistinct edges and light centers.
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