Species: Spea intermontana
Great Basin Spadefoot
Species
Encyclopedia of Puget Sound
Classification
Kingdom
Animalia
Phylum
Craniata
Class
Amphibia
Order
Anura
Family
Scaphiopodidae
Genus
Spea
NatureServe
Classification
Other Global Common Names
crapaud du Grand Bassin
Informal Taxonomy
Animals, Vertebrates - Amphibians - Frogs and Toads
Formal Taxonomy
Animalia - Craniata - Amphibia - Anura - Scaphiopodidae - Spea - ), which make up the revived family Scaphiopodidae.
Ecology and Life History
Migration
false - true - false - Migrates up to several hundred meters between breeding pools and nonbreeding terrestrial habitats.
Non-migrant
false
Locally Migrant
true
Food Comments
Not well documented. Adults known to eat insects. Larvae probably eat algae, organic debris, plant tissue, etc., sometimes invertebrates and amphibian larvae.
Reproduction Comments
Breeds sporadically May-July, often after spring or summer rains. Eggs laid in small packets of 20-40 eggs. Female may lay a total of about 300-500 eggs. Under optimal conditions eggs probably hatch in about 2-3 days (Nussbaum et al. 1983). Larval period lasts a few to several weeks.
Ecology Comments
Predators include birds and probably fishes.
Length
5
Conservation Status
NatureServe Global Status Rank
G5
Global Status Last Reviewed
2002-04-10
Global Status Last Changed
2001-12-03
Distribution
Conservation Status Map
<img src="http://www.natureserve.org/explorer/servlet/GetMapGif?CA.BC=S3&US.AZ=S3&US.CA=SNR&US.CO=S3&US.ID=S4&US.NV=S4&US.OR=S5&US.UT=S5&US.WA=S5&US.WY=S3" alt="Conservation Status Map" style="width: 475px; height: auto;" />
Global Range
Southern British Columbia (Cannings 1999) southward through central and eastern Washington and Oregon, southern Idaho, eastern California, Nevada, Utah, Wyoming, and northwestern Colorado to northwestern Arizona (Hall 1998). From edge of Cascade-Sierra axis east to the Rockies. To elevations of about 9,200 ft (Stebbins 1985).