Sonoran Desert Toad
Incilius alvarius
Abstract
Sonoran Desert Toad Incilius alvarius has most recently been assessed for The IUCN Red List of Threatened Species in 2019. Incilius alvarius is listed as Least Concern.
The Red List Assessment
IUCN SSC Amphibian Specialist Group 2022. Incilius alvarius. The IUCN Red List of Threatened Species 2022: e.T54567A53948448. https://dx.doi.org/10.2305/IUCN.UK.2022-1.RLTS.T54567A53948448.en. Accessed on 03 November 2026.
Language
English
Last assessed
16 October 2019
Scope of assessment
Global
Population trend
Stable
Number of mature individuals
Habitat and ecology
Shrubland, Grassland, Wetlands (inland), Artificial/Aquatic & Marine
Geographic range
-
Extant (resident)
Assessment Information
Global Assessment
IUCN Red List Category and Criteria - Global Assessment
Date assessed
16 October 2019
Year published
2022
Assessment Information in detail
Geographic Range
Native
Extant (resident)
Mexico (Chihuahua, Sinaloa, Sonora); United States (Arizona, California, New Mexico)
Number of locations
Upper elevation limit
1,610 metres
Lower elevation limit
0 metres
Upper depth limit
Lower depth limit
Geographic Range in detail
Population
Current population trend
Number of mature individuals
Population severely fragmented
No
Continuing decline of mature individuals
Population in detail
Habitat and Ecology
Habitat type
Shrubland, Grassland, Wetlands (inland), Artificial/Aquatic & Marine
Generation length (years)
Congregatory
Movement patterns
Not a Migrant
Continuing decline in area, extent and/or quality of habitat
Habitat and Ecology in detail
Threats
Threats in detail
Use and Trade
Use and Trade in detail
Conservation Actions
In-place land/water protection
- Occurs in at least one protected area : Yes
Conservation Actions in detail
Bibliography
Red List Bibliography
External Data
Images and External Links
Images and External Links in detail
CITES Legislation from Species+
Data source
The information below is from the Species+ website.
CITES Legislation from Species+ in detail
Ex situ data from Species360
Data source
The information below is from Species360's Zoological Information Management System (ZIMS)
Ex situ data from Species360 in detail
Studies and Actions from Conservation Evidence
Data source
The information below is from the Conservation Evidence website.