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Calling behavior and directional hybridization between two toads (Bufo microscaphus x B. woodhousii) in Arizona

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Malmos, Keith B, Sullivan, Brian K, and Lamb, Trip, Calling behavior and directional hybridization between two toads (Bufo microscaphus x B. woodhousii) in Arizona: .

Summary

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 when relatively large numbers of males (>50) were present at the chorus; active searching and satellite tactics were not observed. Calling efforts (call duration X call rate) of hybrids (23.9%, n= 8) and B. microscaphus (24.9%, n= 19) were similar and comparable to call efforts of B. woodhousii (21.9%, n= 10) from a different [...]

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  • Upper Colorado River Basin

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From Source - Mendeley RIS Export <br> On - Wed Sep 19 08:12:57 MDT 2012

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Title Citation Calling behavior and directional hybridization between two toads (Bufo microscaphus x B. woodhousii) in Arizona

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