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The western deermouse or western deer mouse (Peromyscus sonoriensis) is a rodent native to North America. It is a species of the genus Peromyscus, a closely related group of New World mice often called "deermice". It is widespread throughout the western half of the continent, mainly in areas west of the Mississippi River. [1]
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.
The western snowy plover (Anarhynchus nivosus nivosus) is a small wader in the plover bird family. They are currently federally listed under the U.S. Endangered Species Act as Threatened. [ 2 ] Human activity, habitat loss and predation are the biggest contributors to population degradation.
The pronghorn is the fastest land mammal in the Western Hemisphere, being built for maximum predator evasion through running. The top speed is dependent upon the length of time over which it is measured.
Reptilian predators include kingsnakes and any other reptile-consuming squamates. Against predators, a shrink's automative response is to retreat. If females are protecting their eggs, they may attempt to bite to scare off any predators. [12] Young western skinks have a bright blue tail with color that fades with age.
The western tanager (Piranga ludoviciana), is a medium-sized American songbird. ... and Cooper's hawks (A. cooperii) are also western tanager predators. ...
The western fence lizard (Sceloporus occidentalis) is a species of lizard native to Arizona, New Mexico, and California, as well as Idaho, Nevada, Oregon, Utah, Washington, and Northern Mexico. The species is widely found in its native range and is considered common, often being seen in yards, or as the name implies, on fences.
Bombus occidentalis, the western bumble bee, is one of around 30 bumble bee species present in the western United States and western Canada. [1] A recent review of all of its close relatives worldwide appears to have confirmed its status as a separate species.