Great Plains Toad

The Great Plains Toad is classified as Least Concern. Does not qualify for a more at risk category. Widespread and abundant taxa are included in this category.

The Great Plains Toad (Bufo cognatus) is a relatively large species of toad. It ranges from southern Alberta, throughout the western United States, and into northern Mexico. The great plains toad is grey, brown, and green in color, with darker colored blotching. More

DESCRIPTION: The Great Plains Toad is medium size and can reach lengths up to 4 1/2 inches. It is identified by the well-defined, large, dark symmetrical blotches with pale borders on the dorsal surface. The overall color is usually gray to olive brown. More

In California, Great Plains Toads are found in the Imperial Valley in Imperial and Riverside Counties, and along the Colorado River in Imperial, Riverside, and San Bernardino Counties. They most likely spread up the Imperial Valley from the Colorado River with the development of agriculture. More

Great Plains Toad DrawingThe abundance and status of the Great Plains Toad (Bufo cognatus), a moderately large toad species, which ranges into the southeastern comer of Alberta, has been of concern to observers for several years. More

General DescriptionThe skin of adult Great Plains toads is covered with numerous small warts; cranial crests are prominent, and diverge posteriorly from a hard lump (boss) on top of the snout. The parotoid glands posterior to the eyes are elongate. More

American toad, the Great Plains toad can be found along Minnesota's western border. Identification General description: This toad has large paired spots surrounded by light circles on its back. It has a V-shaped ridge between its eyes. More

The call of the Great Plains Toad is an explosive jackhammer-like metallic trill lasting from 5 seconds to almost a minute. It can be almost deafening when heard from a close distance. More

The Great Plains toad is classified as May Be at Risk in the current Status of Alberta Wildlife report. More

Illustration of a Great Plains ToadThere are five main limiting factors which may affect Great Plains Toad populations in Alberta; drought, predation, habitat alteration and destruction, hydrological changes, and road kills. Drought: Prolonged drought conditions potentially limit Great Plains Toad numbers. More

photograph of great plains toadGreat Plains Toad Bufo cognatus = Body length: 1 3/4 - 4 1/2" Diet: Insects Great Plains toads are a classic example of a species which is rarely seen but may More

Great Plains toads are a species which is rarely seen but may actually be common. Although they occur at Tonto National Monument, at least in desert areas north of Route 188, Great Plains toads were not detected here for many years. More

boss of great plains toad great plains toad The Great Plains Toad is a medium sized toad reaching snout-vent lengths of up to 4 inches. More

the Great Plains toad is relatively small with a well-developed cranial crest. Their snout is blunt and rounded. Call Description: The Great Plains Toad call is a high pitched, long mechanical trill resembling the burst of a machine gun. More

Great Plains Toads Home Back Next Great Plains Toad from Silver Bell Mountains Arizona Great Plain Toad in Maricopa County Arizona greatplainstoad020001001. More

The Great Plains Toad has large, dark spots with light edges on its back. Each spot has a few small warts. Their belly is white or ivory. More

Male Great Plains toads have a light colored throat-flap covering the black vocal sac. The inflated vocal sac is distinctly sausage-shaped. Juvenile toads have numerous small brick-red tubercles. More

The great plains toad is grey, brown, and green in color, with darker colored blotching. It can grow to 4.5 inches in length and is nocturnal. Its primary diet is various species of cutworms. More

The Great Plains Toad is a moderate sized, pale brown-grey to olive coloured toad with dark blotches and numerous small warts. It may or may not have a stripe down the centre of the back. The parotoid glands are large and oval. More

Order : Anura
Family : Bufonidae
Genus : Anaxyrus
Species : cognatus
Authority : (Say in James, 1823)