Anaxyrus boreas
Western Toad, Boreal Toad (B. b. boreas), California Toad (B. b. halophilus)
family: Bufonidae

© 2006 Matthew Fujita (1 of 209)

Country distribution from AmphibiaWeb's database: Canada, Mexico, United States

U.S. state distribution from AmphibiaWeb's database: Alaska, California, Colorado, Idaho, Montana, New Mexico, Nevada, Oregon, Utah, Washington, Wyoming

Canadian province distribution from AmphibiaWeb's database: Alberta, British Columbia, Yukon

IUCN (Red List) status: Least Concern (LC).
For Red List information on this species, see the IUCN species account.


View distribution map using BerkeleyMapper.

It has been known to occasionally hybridize with the red-spotted toad (Anaxyrus punctatus) and the Canadian toad (Anaxyrus hemiophrys) (Stebbins 1985).

See other subspecies accounts at B. b. boreas and B. b. halophilus .

From Laura Blackburn, Priya Nanjappa, and Michael J. Lannoo (2001) US Amphibian Dist. Maps (

Feedback or comments about this page.


Citation: AmphibiaWeb. 2020. <> University of California, Berkeley, CA, USA. Accessed 25 May 2020.

AmphibiaWeb's policy on data use.