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A New Method to Sex Barn Owls Tyto alba | Johan de Jong | Request PDF
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A New Method to Sex Barn Owls Tyto alba
Please take this quick survey to tell us about what happens after you publish a paper. Ecological Research. The barn swallow, Hirundo rustica , is a model species for studying sexual selection, particularly female mate choice. Although there have already been several reviews of female mate choice and its geographic variation in this species, all of them have focused on secondary sexual characteristics.
The body composition of Barn Owls Tyto alba killed on motorways in the northeastern part of France during autumn and winter was studied in relation to their age, sex, body size, and season. Body composition differed greatly among individuals. In mature and immature birds of both sexes, body mass and body lipid were highest in early winter, whereas body protein did not show seasonal changes. Thus, body mass increase was due to accumulation of body lipid.