Fig. 1From: Subtle sexual plumage color dimorphism and size dimorphism in a South American colonial breeder, the Monk Parakeet (Myiopsitta monachus)Spectrophotometric analysis of Monk Parakeet plumage. a Photograph of the Monk Parakeet in its colonial nest. b Reflectance spectra (300‒700 nm) of the twelve Monk Parakeet body regions. Each spectrum represents the mean reflectance ± 2SE of 32 males (blue) and 36 females (red)Back to article page