Optical properties of the uropygial gland secretion: no evidence for UV cosmetics in birds

Delhey, KasparKasparDelheyPeters, AnneAnnePetersBiedermann, PeterPeterBiedermannKempenaers, BartBartKempenaers2024-10-142024-10-142008https://boris-portal.unibe.ch/handle/20.500.12422/104085enOptical properties of the uropygial gland secretion: no evidence for UV cosmetics in birdsarticle10.48350/3059700025973760000610.1007/s00114-008-0406-8