Sexual dimorphism II
Examples of differences in the appearance of males and females of the same species of arthropods, birds and mammals (compare on successive photos).
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Thamnophilus torquatus
Rufous-winged Antshrik
Male singing.
Brasil, Distrito Federal, Estação Ecológica de Águas Emendadas.
10/2/2010
BS006'01-101002065'JJK
