Great Basin Spadefoot (Spea intermontana )

IdentificationGreatBasinSpadefoot_Walker-400px.jpg

  • Size: ~1/2 inch (metamorph) to ~2 inches (adult)
  • Dorsal color: light gray, brown or olive
  • Small dark spots
  • Small warts (often orange) present
  • Relatively smooth skin
  • Vertical pupils
  • Glandular lump (boss) between the eyes
  • Mp3 of call (courtesy of Gary Nafis, californiaherps.com; contact Gary for permission to post on other websites)




Photo by Zack Walker

GBSpadefoot-1_Heidel.jpg  GBSpadefoot-2_Heidel.jpg  GBSpadefoot-3_Heidel.jpg  GBSpadefoot-4_Heidel.jpg

Photos depicting a GB Spadefoot digging itself into the sand by Bonnie Heidel

 

 Eggs & Tadpoles

  • Eggs in small masses attached to submerged vegetation
  • Tadpole eyes are medial, anal vent on midline
  • Tadpoles often pale brown to greenish in color

 

Breeding Habitat

After heavy rains in temporary puddles, ditches, pools and ponds in prairies, sagebrush steppe, sandhills, and desert scrub.

AmphibianHabitat_Heidel.JPG

Photo by Bonnie Heidel

 

Native Range

GreatBasinSpadefoot.jpg

Map by Wyoming Natural Diversity Database