EXT097.pdf (Publisher version), 204KB
EXT097s1.doc (Supplementary material), 2MB
Delhey, K., Peters, A., Biedermann, P., & Kempenaers, B. (2008). Optical properties of the uropygial gland secretion: no evidence for UV cosmetics in birds. Die Naturwissenschaften, 95(10), 939-946. doi:10.1007/s00114-008-0406-8.