Great Plains Toad, Bufo cognatus Great Plains Toad Bufo cognatus by Jeff LeClere Status No status assigned in Minnesota. Adults are white, gray, or yellowish with several large oblong spots on the back. These spots, often paired, are gray, brownish, or greenish in color and contain many small warts.
Some specimens have a white mid dorsal stripe down the back.
The underside is plain white or light colored with no markings. The cranial crests are far apart and touch the roundish partoid glands at the back of the head. There are no subspecies of Bufo cognatus recognized. The Great Plains toad is found only in western Minnesota. Records are documented from every county on the western border, and quite a few on the second or third county to the east.