Article
Character displacement of song and morphology in African tinkerbirds.
Proceedings of the National Academy of Sciences of the United States of America - 19 May 2009
Kirschel Alexander N G, Blumstein Daniel T, Smith Thomas B
Abstract excerpt
Divergence in acoustic signals between populations of animals can lead to species recognition failure, reproductive isolation, and speciation. Character displacement may facilitate coexistence of species in natural communities, yet evidence for character displacement in acoustic signals is scant. Here, we find evidence of character displacement in song as well as body size and bill size of 2 related African...
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