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Lack of correlation between sex ratio and food supply or other biotic variables in nestlings of Tengmalm's Owl Aegolius funereus

Ortwin Schwerdtfeger, Auteur ; Michael Wink, Auteur

Dans Journal of Ornithology (155(2) APR 2014)

Tengmalm's Owls (Aegolius funereus) (TO) exhibit a pronounced sexual size dimorphism in which females are bigger than males, which have to provide food for the breeding female and for the brood. Clutch size and breeding success are strongly infl[...]

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