Article
Calling behavior and directional hybridization between two toads (Bufo microscaphus x B. woodhousii) in Arizona.
Evolution; international journal of organic evolution - 1 Mar 2001
Malmos K B, Sullivan B K, Lamb T
Abstract excerpt
Male calling effort and mitochondrial DNA (mtDNA) variation were examined in a breeding chorus of toads from a hybrid zone between Bufo microscaphus and B. woodhousii in central Arizona. The chorus comprised 50 B. microscaphus and 17 hybrids, identified on the basis of morphology and advertisement calls; no pure B. woodhousii were observed. Males produced advertisement calls throughout the early evening, even...
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