. Bulletin of the British Ornithologists' Club. . EXAMPLES OF SEXUAL DIMORPHISM from top masked dove Oena capensis <$ has red bill, black mask bordered pale grey and grey head; $ has these areas brownish. Both sexes have signal markings on wings and rump. charming fruit dove PtUinopus revoli bellus J has magenta cap, and belly patch, white and yellow breast patch, obscure blue spots on wing coverts. black-naped fruit dove P. melanospila <$ has silver head, yellow throat, black nape, golden ventral regions and red under tail-coverts. $ is entirely green except for red under
. Bulletin of the British Ornithologists' Club. . EXAMPLES OF SEXUAL DIMORPHISM from top masked dove Oena capensis <$ has red bill, black mask bordered pale grey and grey head; $ has these areas brownish. Both sexes have signal markings on wings and rump. charming fruit dove PtUinopus revoli bellus J has magenta cap, and belly patch, white and yellow breast patch, obscure blue spots on wing coverts. black-naped fruit dove P. melanospila <$ has silver head, yellow throat, black nape, golden ventral regions and red under tail-coverts. $ is entirely green except for red under Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Taylor, Nancy M. Oxford : Clarendon Press
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