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Lewis and Clark
SHOWING RECORD: 5 of 33   Western Toad
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image: Western Toad
Photograph by Steve Kaufman/Corbis
Western Toad
(Columbian Toad)

Bufo boreas



First Noted by Expedition
May 30, 1806, at Camp Chopunnish, Idaho County, Idaho.
 

Description
Large; lacks cranial crests but has oval parotoid glands. Gray to green, with light-colored stripe down middle of back. Dark blotches on belly. Male has pale throat. Length: 2.5-5 in (6.4-12.8 cm).
 

Habitat
Near springs, streams, meadows, woodlands.
 

Range
Southeastern Alaska south through the Rocky Mountains to central Colorado, and south into northern California in the West.
 

Note
Active at twilight. At higher elevations, where nighttime temperatures are low, it is often active during the day. It lives in burrows of its own construction or those of small rodents.

Species information from enature.com
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