| Titre : | Ornis Fennica 88(2) - 2011 |
| Type de document : | Bulletin |
| Paru le : | 00/00/0000 |
Dépouillements
Article
Zbigniew Kasprzykowski, Auteur ;
Pawel Ciesluk, Auteur
Conditions at wintering grounds affect the numbers of birds of prey to various extents. Weather may influence the latitudinal winter distribution of short-distance migrants, such as the Rough-legged Buzzard, with respect to age and sex. Inventor[...]
Article
Ewa Lukaszewicz, Auteur ;
Artur Kowalczyk, Auteur ;
Zenon Rzonca, Auteur
We tested the feasibility of obtaining ejaculates from Capercaillie (Tetrao urogallus L.) kept under aviary conditions. A total of nine individuals in their first (n = 4), fifth (n = 3) or sixth (n = 2) reproductive season were raised in floor p[...]
Article
Juan Arizaga, Auteur ;
Emilio Barba, Auteur
We examined the timing of passage of migratory Blackcaps (Sylvia atricapilla) at a stopover site in northern Iberia, Spain, in an area relatively close to an important wintering area for the species, in southern Iberia. With this goal, we analys[...]
Article
Robert Gwiazda, Auteur ;
Dariusz Bukacinski, Auteur ;
Grzegorz Neubauer, Auteur ;
Marcin Faber, Auteur ;
Jacek Betleja, Auteur ;
Magdalena Zagalska-Neubauer, Auteur ;
Monika Bukacinska, Auteur ;
Przemyslaw Chylarecki, Auteur
The food composition in breeding colonies of large gulls (mainly Caspian Gull Larus cachinnans) was investigated at three sites representing recently-colonized inland habitats in Poland: a gravel pit, an unregulated river and a reservoir. No dif[...]
Article
Jukka Jokimäki, Auteur ;
Tapio Solonen, Auteur
Conservation areas are important for many species associated with old forests, but most individuals still occur in commercially-used forest landscapes. We conducted three-visit breeding bird surveys in a total of
Article
Katarzyna Wojczulanis-Jakubas, Auteur ;
Dariusz Jakubas, Auteur
Sexual size dimorphism was examined in 273 immature Sedge Warblers (Acrocephalus schoenobaenus) caught in northern Poland during autumn migration in 2008 and 2009. Each individual was measured (wing, tail, head to bill, bill length, bill width, [...]
Article
Lars Edenius, Auteur
Effects of wildfire on forest birds have rarely been studied in Fennoscandia. Hence, birds were surveyed three years after fire at two large areas that were not subjected to salvage logging, in northern Sweden. The 300- and 440-ha burns and surr[...]
