NamingRaces tend to hybridize with ''Anaxyrus woodhousii'' in their overlapping ranges. Recent taxonomic treatments place this species in the genus ''Anaxyrus'' instead of ''Bufo''.
ReproductionToads display breeding site fidelity, as do many amphibians. Individuals that return to natal ponds to breed will likely encounter siblings as potential mates. Although incest is possible, ''Anaxyrus americanus'' siblings rarely mate. These toads likely recognize and actively avoid close kins as mates. Advertisement vocalizations by males appear to serve as cues by which females recognize their kin.
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