The class Amphibia consists of 3 orders, 74 families, 544 genera and currently 7,216 species. The majority of the species, 6,359, are members of the family Anura (frogs and toads).


American Bullfrog Rana catesbeina
San Pedro River, near Sierra Vista, Cochise County, Arizona, July 2010.



Blue Jeans Poison Frog Oophaga pumilio
Laguna Lagartos, near Boca Topada, Costa Rica, April 2009.



Canyon Treefrog Hyla arenicolor
Wet Canyon, Mount Graham, Graham County, Arizona, October 2011.



Couch's Spadefoot Scaphiopus couchii
Granite Gap, Hidalgo County, New Mexico, March 2011.



European Common Frog Rana temporaria
Samson Woods, near Ravenshead, Nottinghamshire, England,September 2010.



Great Plains Toad Bufo cognatus
Granite Gap, Hidalgo County, New Mexico, June 2011.



Green and Black Poison Frog Oophaga auratus
Laguna Lagartos, near Boca Topada, Costa Rica, April 2009.



Green Toad Bufo debilis
Granite Gap, Hidalgo County, New Mexico, July 2011.



Mexican Spadefoot Spea multiplicata
Granite Gap, Hidalgo County, New Mexico, July 2011.



Northern Cricket Frog Acris crepitans
Lost Maples State Natural Area, Bandera County, Texas, April 2012.



Red-spotted Toad Bufo punctatus
Elephant Butte Lake State Park, Sierra County, New Mexico, October 2013.



Sonoran Desert Toad Bufo alvarius
Empire Gulch, Pima County, Arizona, October 2011.



Woodhouse's Toad Bufo woodhousii
Granite Gap, Hidalgo County, New Mexico, July 2011.