Western toad

The Western toad (Anaxyrus boreas) is a species of toads. They are among the largest toads. They can grow up to 5.6 and 13 cm long. They live in western North America.

Western Toad
In Mount Baker-Snoqualmie National Forest
Conservation status
Least Concern (IUCN 3.1)
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Amphibia
Order:	Anura
Family:	Bufonidae
Genus:	Bufo
Subgenus:	Anaxyrus
Species:	A. boreas
Binomial name
Anaxyrus boreas Baird & Girard, 1852
Synonyms
Bufo boreas Bufo politus

Western Toad Media

• 

  Boreal toad (Anaxyrus boreas) (7046220291)

• 

  California Toad (Bufo boreas halophilus) - Flickr - GregTheBusker (1)

• 

  Oval parotoid glands, located behind the eyes, are distinguishing features of this species.

References

• http://www.fs.fed.us/database/feis/animals/amphibian/bubo/all.html Archived 2012-10-18 at the Wayback Machine

Books

• Pauly, G. B., D. M. Hillis, and D. C. Cannatella. (2004) The history of a Nearctic colonization: Molecular phylogenetics and biogeography of the Nearctic toads (Bufo). Evolution 58: 2517–2535.
• This article is based on a description from A Field Guide to the Reptiles and Amphibians of Coastal Southern California, Robert N. Fisher and Ted J. Case, USGS.

Other websites

Media related to Western toad at Wikimedia Commons

• "Native Boreal Toads Released Into Rocky Mountain National Park". armi.usgs.gov. Archived from the original on 2009-05-02. Retrieved 2009-12-12.