Détail de l'auteur
Documents disponibles écrits par cet auteur (2)
Ajouter le résultat dans votre panier Affiner la recherche
Article
Ernst Kniprath, Auteur ; Reinhard Altmueller, Auteur ; Horst Seeler, Auteur ; Susanne Stier, AuteurIn contrast to an earlier suggestion in the german literature and in full accordance to banding results in the UK for Tyto a. alba and in the USA for Tyto a. pratincola it is shown for Tyto a. guttata in northern Germany, that young males reach [...]
Article
Ernst Kniprath, Auteur ; Susanne Stier, AuteurThe underparts colouration of 318 breeding Barn Owls was investigated. In the 9, the distribution among 5 colouration types is non spectacular and has its predominant peak at the type "guttata" In the male, not only the lighter types ("alba") ar[...]
