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Male vervet monkey with blue gear
Male vervet monkey (Chlorocebus pygerythrus) perched on Large-fruited Bushwillow tree and exhibiting proudly its bright turquoise blue scrotum. The blue colour is due to Tyndall light scattering effect over a layer of melanin in the dermis of the scrotum. The vividness of the blue pales when the animal falls in social rank. DOI: 10.1159/000459974
© Micheline Rouquet
File state: Final
Digital image keywords: Behavior, blue scrotum, Botswana, Kwedi concession, male vervet monkey, Mammals, Moremi Game Reserve, Old World monkeys, Postures, primates, vervet monkeys
Published in: Mammals, All images
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