Distribution and threats to the Arizona toad in Clark County

Kenzi M Stemp; Blake Hossack

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Distribution and threats to the Arizona toad in Clark County

Kenzi M Stemp·Blake Hossack

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Abstract

The Arizona Toad ( Anaxyrus microscaphus ) has been petitioned for protection under the U.S. Endangered Species Act (ESA) and is under evaluation for inclusion as a Covered Species under the Clark County Multi Species Habitat Conservation Plan Amendment (Clark County Department of Comprehensive Planning and USFWS, 2001; USFWS, 2015b). Although the species is locally abundant in some parts of its range, Arizona Toads have not been confirmed in Clark County since at least the 1980s. Extensive amphibian surveys in the late 1990s and examination of museum specimens reported no incidence of nonhybridized Arizona Toads in Clark County (Bradford et al., 2005), indicating a need to assess the current distribution of the species and availability of potential habitat for recovery efforts at the western extent of its historical range. This document reports on the results of 2 years of Clark County Desert Conservation Program (DCP) funding to assess the status of Arizona Toad populations in the study area. This project supports data collection for an ongoing Species Status Assessment for the Arizona Toad by the U.S. Fish and Wildlife Service (USFWS) and provides data to support management actions to create or preserve suitable habitat for the Arizona Toad on Clark County Riparian Reserve properties.

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Final Project Report Report

Source-reported bounding extent: 35.0021° to 36.8541° latitude; -115.895° to -114.048° longitude. This indicates report coverage, not an exact sampling location. View area on OpenStreetMap.

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BibTeX RIS

Kenzi M Stemp, Blake Hossack. 2026-04-01. Distribution and threats to the Arizona toad in Clark County. https://pubs.usgs.gov/publication/70275080

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