Bufo debilis
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[Photo] Western Green Toad, Bufo debilis insidior. This small member of the true toad family was once broadly distributed across the southern plains, but it appears to be decreasing in numbers. However, it is highly dependent on specific moisture conditions for activity, and above-ground movements are very limited during dry periods. Credits: US Geological Survey, Northern Prairie Wildlife Research Center (http://www.npwrc.usgs.gov/resource/herps/comaherp/newmex.htm)

The Green Toad (Bufo debilis) is a species of toad found in the Southwestern United States in the states of Arizona, New Mexico, Colorado, Kansas and Texas, as well as in northern Mexico in the states of Tamaulipas, San Luis Potos??, Durango, and Zacatecas.

Green toads are typically a green or yellow in color with black spotting and a cream colored underside. They are not a large toad, growing to 2 inches in length. They are nocturnal, and only readily found during and immediately after periods of rainfall, their habitat is semi-arid and often very dry. Breeding occurs throughout the spring, summer and autumn months. Whenever conditions are favorable, males will call to the females from a pool of water suitable for laying eggs in.

Subspecies
Sources disagree whether the subspecies each deserve full species status.

Eastern Green Toad, Bufo debilis debilis
Western Green Toad, Bufo debilis insidior

http://en.wikipedia.org/wiki/Bufo_debilis

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