La Tour du Valat

Article

Changes in over-winter prey availability, rather than winter climate, are associated with a long-term decline in a northern Tawny Owl population

Giuseppe Orlando, Auteur ; Arianna Passarotto, Auteur ; Chiara Morosinotto, Auteur ; Kari Ahola, Auteur ; Teuvo Karstinen, Auteur ; Jon E. Brommer, Auteur ; Katja Koskenpato, Auteur ; Patrik Karell, Auteur

Dans Journal of Ornithology (165(1) January, 2024)

Although the associations between climate, food conditions and reproduction in the wild has been the focus of numerous studies in recent years, we still know little about population level responses to climate and fluctuating food conditions in l[...]

Plus d'information...

Ajouter au panier

Réserver

Disponible

Article

Is the denser contour feather structure in pale grey than in pheomelanic brown tawny owls Strix aluco an adaptation to cold environments?

Katja Koskenpato, Auteur ; Kari Ahola, Auteur ; Teuvo Karstinen, Auteur ; Patrik Karell, Auteur

Dans Journal of Avian Biology (47(1) JAN 2016)

In colour polymorphic species morphs are considered to be adaptations to different environments, where they have evolved and are maintained because of their differential sensitivity to the environment. In cold environments the plumage insulation[...]

Plus d'information...

Ajouter au panier