American Toad

(Bufo americanus)

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The American Toad is the most common toad in Minnesota, and the only species found at Saint John's Arboretum. Located in a variety of habitats, the American Toad is usually pudgy, with dry, warty skin and two oval-shaped glands behind the eyes. These glands secrete a poison that is toxic to predators attempting to eat the toad. 

The normal coloration of the American Toad is brown, but this species has the ability to adjust its skin color to a limited extent, from brown to red, tan, or black. The belly remains creamy in color and the back is always speckled with black, white, and red spots.  In the late spring and early summer, toads can be heard calling from Stumpf Lake, Lake Sagatagan, and other wetlands on campus. Its call is a long trill, lasting up to 30 seconds. In the evening, toads call in loud choruses.

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