Coprophagy: an unusual source of essential carotenoids |
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| Authors: | Negro J J Grande J M Tella J L Garrido J Hornero D Donázar J A Sanchez-Zapata J A BenItez J R Barcell M |
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| Institution: | Department of Applied Biology, Estación Biológica de Do?ana, CSIC, Pabellón del Perú, Avda María Luisa, s/n 41013 Seville, Spain. negro@ebd.csic.es |
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| Abstract: | The rare Egyptian vulture (Neophron percnopterus) stands out among the Old World vultures (Family Accipitridae) because of its brightly ornamented head, which is coloured yellow by carotenoid pigments, and its practice of feeding on faeces. Here we show that Egyptian vultures obtain these pigments from the excrement of ungulates. To our knowledge, this is the first demonstration that faeces can be used as a source of carotenoids by a vertebrate. |
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