Woodhouse's Toad
Anaxyrus woodhousii
The Woodhouse's Toad (Anaxyrus woodhousii) formerly had the scientific name of Bufo woodhousii, but the genus was changed to Anaxyrus in 2006. This is a widespread species which occurs across much of the United States and parts of northern Mexico. The first 3 images shown here were taken in Webster Co., Nebraska, along the banks of the Republican River in July, 2009, with a Canon EOS 1D Mark III and EF 300mm F/4 L IS lens and 2X extender.
There is some geographic variation in the appearance of these toads as well as variation according to size. The first 3 images here show a fairly small individual (about 1.5 inches long) that had been burrowing in sand along the edge of a river. Despite the reddish spots on this toad, it is not Red-spotted Toad (Anaxyrus punctatus) as a few folks have suggested to me. That species has round paratoid glands while the present individual has oval glands.