American toad

species of amphibian

The American toad (Bufo americanus) is a species of toad. They live in eastern United States and Canada. There are three subspecies: the eastern American toad, the dwarf American toad, and the rare Hudson Bay toad.

American toad
Bufo americanus PJC1.jpg
Specimen from Jacques-Cartier National Park, Quebec, Canada
Scientific classification e
Kingdom: Animalia
Phylum: Chordata
Class: Amphibia
Order: Anura
Family: Bufonidae
Genus: Anaxyrus
A. americanus
Binomial name
Anaxyrus americanus
(Holbrook, 1836)
B americanus range23.png
Range of A. americanus

Bufo americanus Holbrook, 1836


Eastern American toadEdit

The eastern American toad (A. a. americanus) is a medium-sized toad. Most of the time, its size is 5–9 cm (2.0–3.5 in).[2] The biggest one measured was 11.1 centimetres (4.4 in).[3]

Dwarf American toadEdit

The dwarf American toad (A. a. charlesmithi) is smaller than the eastern American toad. Its size is 6 cm (2+14 in).

Hudson Bay toadEdit

The Hudson Bay toad (A. a. copei) is a rare toad.[4] Small groups of them are found in north Ontario.



  1. IUCN SSC Amphibian Specialist Group (2015). "Anaxyrus americanus". IUCN Red List of Threatened Species. IUCN. 2015: e.T54570A56843565. doi:10.2305/IUCN.UK.2015-4.RLTS.T54570A56843565.en. Retrieved 9 January 2020.
  2. American toad (Bufo americanus) Archived June 18, 2009, at the Wayback Machine, Natural Resources Canada
  3. Conant, Roger (1975). A Field Guide to Reptiles and Amphibians of Eastern and Central North America. Boston: Houghton Mifflin. ISBN 0-395-19979-4.
  4. "American toad". Frog Toad Newt and Salamander Species of Canada. Retrieved 17 August 2013.

Other websitesEdit