Critical habitat for Arroyo Southwestern Toad (Bufo microscaphus californicus).Critical Habitat for Arroyo Southwestern Toad Noun 1. southwestern toad - a uniformly warty stocky toad of washes and streams of semiarid southwestern United States Bufo microscaphus true toad - tailless amphibian similar to a frog but more terrestrial and having drier warty skin (Bufo microscaphus Noun 1. Bufo microscaphus - a uniformly warty stocky toad of washes and streams of semiarid southwestern United States southwestern toad true toad - tailless amphibian similar to a frog but more terrestrial and having drier warty skin californicus) Approximately 478,400 acres (193,600 hectares) fall within the boundaries of a critical habitat designation proposed on June 8 for an endangered amphibian amphibian, in zoology amphibian, in zoology, cold-blooded vertebrate animal of the class Amphibia. There are three living orders of amphibians: the frogs and toads (order Anura, or Salientia), the salamanders and newts (order Urodela, or Caudata), and the , the arroyo southwestern toad. These lands encompass portions of Monterey, Santa Barbara, Ventura, Los Angeles, San Bernardino, Orange, Riverside, and San Diego counties in southern California. Arroyo toads have specialized requirements for breeding habitats: shallow, slow-moving streams and riparian riparian adj. referring to the banks of a river or stream. (See: riparian rights) areas that are disturbed naturally on a regular basis, primarily by flooding. Only those areas within the proposed critical habitat boundary that contain the primary constituent elements required by the toad would be considered critical habitat. |
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