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The western toad (Anaxyrus boreas) is a large toad species, between 5.6 and 13 cm (2.2 and 5.1 in) long, native to western North America. [1] [3] [4] A. boreas is frequently encountered during the wet season on roads, or near water at other times.
The dwarf American toad (A. a. charlesmithi), is a smaller version of the American toad, which reaches lengths of about 6 cm (2 + 1 ⁄ 4 in), is generally a dark reddish color ranging to light red in some specimens in isolated populations. The spots on the back are reduced or absent, and when present they contain a few small red warts and a ...
Anaxyrus, containing the North American toads, is a genus of true toads in the family Bufonidae. [1] The genus is endemic to North and Central America , and contains many familiar North American toad species such as the American toad , Woodhouse's toad , and the western toad .
The North American green toad (Anaxyrus debilis, formerly Bufo debilis) is a species of toad found in the southwestern United States in the states of Arizona, New Mexico, Colorado, Kansas, Oklahoma and Texas. It is also found in northern Mexico in the states of Tamaulipas, San Luis Potosí, Durango, and Zacatecas.
The boreal toad (Anaxyrus boreas boreas) is the nominate subspecies of the western toad (Anaxyrus boreas).They are commonly found in the western U.S. and western Canada. Boreal toad populations have declined recently due to an emerging amphibian disease, chytrid fungu
Southern spadefoot toad, Florida-adult. The Scaphiopodidae are a family of American spadefoot toads, which are native to North America. The family is small, comprising only eleven different species. The American spadefoot toads are of typical shape to most fossorial (or burrowing) frogs. They are round, with short legs and protruding eyes.
The Colorado River toad can grow to about 190 millimetres (7.5 in) long and is the largest toad in the United States apart from the non-native cane toad (Rhinella marina). It has a smooth, leathery skin and is olive green or mottled brown in color. Just behind the large golden eye with horizontal pupil is a bulging kidney-shaped parotoid gland.
Woodhouse's toad is found in North America at altitudes of up to 2,500 metres (8,200 ft). Its range extends from Mexico in the south to Washington in the north. In the United States it is found in Arizona, Arkansas, California, Colorado, Idaho, Kansas, Montana, Nebraska, Nevada, New Mexico, North Dakota, Oklahoma, Oregon, South Dakota, Texas, Utah, Washington, and Wyoming.