Article
Male great bowerbirds create forced perspective illusions with consistently different individual quality.
Proceedings of the National Academy of Sciences of the United States of America - 18 Dec 2012
Kelley Laura A, Endler John A
Abstract excerpt
Males often produce elaborate displays that increase their attractiveness to females, and some species extend their displays to include structures or objects that are not part of their body. Such "extended phenotypes" may communicate information that cannot be transmitted by bodily signals or may...
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