Sexual dimorphism in the summer bill-length of the Great Tit

It has been suggested that small differences in bill length are adaptive in the Great Tit. The present study was conducted over four breeding seasons, during which bill length differed significantly between the sexes, females on average having longer bills than their partners. Since females are sign...

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Bibliografiset tiedot
Päätekijä: Gosler, A
Aineistotyyppi: Journal article
Julkaistu: Nederlandse Ornithologische Unie 1987

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