American Toad

American Toad

Scientific Name: Anaxyrus americanus
(Formerly:  Bufo americanus)

Family: Bufonidae

Description & Size

  • Dry, warty skin
  • Short fore and hind limbs compared to the other frogs of the state
  • Flattened face
  • Short, wide, and kidney shaped gland behind each eye (paratoid glands) that does not touch a ridge of skin (cranial crest) on the top of the head
  • Cranial crest does not converge towards the nose
  • Larger warts on the lower parts of the legs than the upper
  • Total length:  5.0-11.0 cm (2.0-4.3 in)
  • Back color:  brown, reddish-brown, or olive green
  • Dark spots on the back contain either 1 or 2 warts
  • Belly color: white with black spots



  • Riparian woodlands
  • Deciduous forests
  • Wetlands
  • Along the Missouri River


  • Arthropods
  • Worms
  • Other amphibians

Life History

  • Nocturnal, sometimes diurnal
  • Active season:  Mid-April – October
  • Breeding season:  Mid-spring
  • Lays eggs
  • Several clutches of 10,000+ eggs per female


American Toad Range