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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.
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 ...
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. It can jump a considerable distance for a toad.
A Checklist of North American Amphibians and Reptiles: The United States and Canada. Vol. 1 - Amphibians. Xlibris Corporation LLC. ISBN 978-1-4931-7035-7. [self-published source] Cope, Edward D. (1875). Check-list of North American Batrachia and Reptilia; with a systematic list of the higher groups, and an essay on geographical distribution.
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.
Australian park rangers believe they have stumbled upon a record-breaking giant toad deep in a rainforest. Dubbed "Toadzilla", the cane toad, an invasive species that poses a threat to Australia's ...
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The cane toad (Rhinella marina), also known as the giant neotropical toad or marine toad, is a large, terrestrial true toad native to South and mainland Central America, but which has been introduced to various islands throughout Oceania and the Caribbean, as well as Northern Australia.