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Anaxyrus fowleri, Fowler's toad, [3] is a species of toad in the family Bufonidae. ... is possibly a hybrid of the Woodhouse's toad and the Fowler's toad. [10]
Some have gene flow and form species hybrids in the state with a more widespread species, but purebred members of one of the hybrid parent species are not confirmed. [ 1 ] Rocky Mountain toad ( Anaxyrus woodhousii woodhousii ) - Gene flow between this species and A. fowleri has been recorded in southwest Arkansas, but no purebred members of ...
Also, Fowler's toads are very fast hoppers (bursts of 5–10 fast hops) in comparison to Eastern toads lethargic, casual hopping and walking locomotion. In the eastern American toad these crests almost never touch the parotoid glands, which secrete bufotoxin, a poisonous substance meant to make the toad unpalatable to potential predators.
Woodhouse's toad is found in North America at altitudes of up to 2,500 metres (8,200 ft). Its range extends from Mexico in the south to Washington in the north. In the United States it is found in Arizona, Arkansas, California, Colorado, Idaho, Kansas, Montana, Nebraska, Nevada, New Mexico, North Dakota, Oklahoma, Oregon, South Dakota, Texas, Utah, Washington, and Wyoming.
A three-chromosomed hybrid between A. laterale and A. jeffersonianum; difficult to distinguish visually from the former. [8] Has been noted near Ann Arbor, Michigan. [8] Eurycea bislineata: Northern two-lined salamander: Adults reach 3.5 inches (8.9 cm) long and are generally yellow with two dark lines running the length of the body. [9]
Great Plains toad: Anaxyrus compactilis ↔ Bufo compactilis: Wiegmann, 1833 plateau toad, Texas toad Anaxyrus debilis ↔ Bufo debilis: Girard, 1854 North American green toad: Anaxyrus exsul ↔ Bufo exsul: G. Myers, 1942 black toad: Anaxyrus fowleri ↔ Bufo fowleri: Hinckley, 1882 Fowler's toad: Anaxyrus hemiophrys ↔ Bufo hemiophrys: Cope ...
Eastern American toad: Anaxyrus americanus americanus (Holbrook, 1836) Abundant Statewide Fowler's toad: Anaxyrus fowleri (Hinckley, 1882) Species of special concern Primarily eastern, with some scattered central and western observations and a notable population on Presque Isle State Park in Erie County [6]
Japanese common toad, Japanese warty toad or Japanese toad (Bufo japonicus) bufotalin, Bufotoxin: Japan and is present on the islands of Honshu, Hokkaido, Kyushu and Shikoku Fowler's toad (Anaxyrus fowleri) Bufotoxin: eastern United States and parts of adjacent Canada cane toad (Rhinella marina) Bufotoxin, Bufotenin