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The American toad (Anaxyrus americanus) [3] is a common species of toad found throughout Canada and the eastern United States. It is divided into three subspecies: the eastern American toad ( A. a. americanus ), the dwarf American toad ( A. a. charlesmithi ) and the rare Hudson Bay toad ( A. a. copei ).
In 2004, the western spadefoot toad was the only member of the family Scaphiopodidae to be classified as near threatened by the ICUN Red List. [16] All other species, including the eastern spadefoot, were listed as least concern. Presently, all species' conservation status require reviewing.
A similar species is Hurter's spadefoot toad, which was once considered a subspecies of S. holbrookii. [6] Unlike some other spadefoot toad species, such as Spea multiplicata (the Mexican or desert spadefoot) or Spea bombifrons (the plains spadefoot toad), Scaphiopus holbrookii never naturally develop cannibal tadpoles through phenotypic ...
Fowler's toad in leaf litter. Anaxyrus fowleri, Fowler's toad, [3] is a species of toad in the family Bufonidae. The species is native to North America, where it occurs in much of the eastern United States and parts of adjacent Canada. [1] [2] It was previously considered a subspecies of Woodhouse's toad (Anaxyrus woodhousii, formerly Bufo ...
The common toad tends to be sexually dimorphic with the females being browner and the males greyer. [16] The underside is a dirty white speckled with grey and black patches. [15] [17] Other species with which the common toad could be confused include the natterjack toad (Bufo calamita) and the European green toad (Bufo viridis). The former is ...
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 .
Two such paths, the Atlantic Flyway and the Mississippi Flyway, overlap above Ohio. Of the nearly 2,000 species of birds that live in North America, 450 have been documented visiting the state.
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.