title: Sexing penguins by cloacal examination.
abstract: Cloacal examination to determine sex was carried out in 145 penguins of five species. The birds were from four of the major collections in the British Isles. Differences in the appearance of the urodaeum were sufficient to differentiate between the sexes in the species examined.
mesh_terms: D000818:Animals; D000836:Animals, Zoo / Q000033:anatomy & histology*; D001717:Birds / Q000033:anatomy & histology*; D002988:Cloaca / Q000033:anatomy & histology*; D005260:Female; D008297:Male; D010808:Physical Examination / Q000379:methods / Q000662:veterinary; D012727:Sex Characteristics; D012732:Sex Determination Analysis