La Tour du Valat

Institut de recherche pour la conservation des zones humides méditerranéennes

Titre :	An approach to sexing young Great Bustards Otis tarda using discriminant analysis and molecular techniques (2000)
Auteurs :	C. A. Martin, Auteur ; J. C. Alonso, Auteur ; J. A. Alonso, Auteur ; M. B. Morales, Auteur ; C. Pitra, Auteur
Type de document :	Article
Dans :	Bird Study (47 MAR 2000)
Article en page(s) :	147-153
Langues:	Anglais
Résumé :	Adult Great Bastards Otis tarda are sexually dimorphic, males weighing more than twice as much as females. However, there is no practical way to distinguish sex in chicks by their morphology. In this paper we describe a discriminant function, Tail Length/Weight, which correctly sexed 98.2% of 165 Great Bustard chicks at two study areas in Spain, the Wildlife Reserve of Lagunas de Villafafila and the province of Madrid. The value for Tail Length/Weight separating the sexes was 0.099: Tail Lerlgth/Weight for males

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