Incilius alvarius
Sonoran Desert Toad
family: Bufonidae

Tracy I. Storer
© Museum of Vertebrate Zoology, University of California, Berkeley (1 of 66)

  hear call (72.4K RM file)
  hear call (4610.0K WAV file)

[call details here]

Conservation Status (definitions)
IUCN (Red List) Status Least Concern (LC)
NatureServe Status Use NatureServe Explorer to see status.
Other International Status None
National Status None
Regional Status None


View distribution map using BerkeleyMapper.


From the IUCN Red List Species Account:


Range Description

This species occurs from extreme southeastern California, southern Arizona and extreme southern New Mexico in the USA, south into Mexico. It has nearly been extirpated in California. It occurs from sea level to 1,610m asl (Stebbins 1985).

Habitat and Ecology

This species ranges from arid mesquite/creosotebush lowlands and arid grasslands to oak/sycamore/walnut groves in mountain canyons. It is often near permanent water but is also found near temporary water or far from water. It takes refuge in rodent burrows. It breeds and lays eggs in ponds, slow-moving streams, etc.


The total adult population size for this species is unknown but surely is many thousands. It is common throughout its range.

Population Trend


Major Threats

No major threats have been identified (other than localized ones) for this species.

Conservation Actions

This species is found in El Pinacade Biosphere Reserve in Mexico.


Geoffrey Hammerson, Georgina Santos-Barrera 2004. Incilius alvarius. In: IUCN 2014


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