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Brief Summary

    Anaxyrus microscaphus: Brief Summary ( Spanish; Castilian )
    provided by wikipedia Español

    Anaxyrus microscaphus es una especie de anfibio anuro de la familia de sapos Bufonidae. Es endémica a Estados Unidos. Su hábitat natural son bosques templados, ríos, ríos intermitentes, pantanos de agua dulce o pantanos de agua dulce de marchas intermitentes, manantiales de agua dulce, estanques, excavaciones abiertas, las tierras de regadío y tierras agrícolas inundadas estacionalmente.

    Anaxyrus microscaphus: Brief Summary ( French )
    provided by wikipedia Français
    image illustrant les amphibiensCet article est une ébauche concernant les amphibiens.

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    Anaxyrus microscaphus est une espèce d'amphibiens de la famille des Bufonidae.
    Arizona toad: Brief Summary
    provided by wikipedia

    The Arizona toad (Anaxyrus microscaphus) is a species of toad in the family Bufonidae. It is endemic to the southwestern United States, where its natural habitats are temperate lowland forests, rivers and streams, swamps, freshwater marshes, freshwater springs, ponds, open excavations, irrigated land, and seasonally flooded agricultural land.

Comprehensive Description

Distribution

    Distribution and Habitat
    provided by AmphibiaWeb text

    The subspecies A. m. microscaphus occurs in a series of isolated populations from the Mogollon plateau of sounthwestern New Mexico to northwestern Arizona, southern Nevada, and southwestern Utah. A. m. californicus ranges from southwestern California to northern Baja, extending into the Mojave desert along the mojave river. A. m. mexicanus is found at high elevations in the Sierra Madre Occidental of Chihuahua, Durango, and Sonora. There is an isolated population along a headwater of the Rio Aguanaval in northwestern Zacatecas. Prefered habitat is near permanent or intermittent shallow water flowing over sandy or rocky substrates, from desert to pine-fir forest. Increasingly common in artificial habitats such as irrigated cropland and reservoirs.

Threats

    Life History, Abundance, Activity, and Special Behaviors
    provided by AmphibiaWeb text

    Human alteration has allowed A. woodhousii to invade habitat previously occupied only by A. microscaphus. Studies show some indication that A. woodhousii may be replacing A. microscaphus in some drainages.