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Auteur Grzegorz Kopij |
Documents disponibles écrits par cet auteur (14)
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Grzegorz Kopij, Auteur ; Ifat Liven-Schulman, AuteurThe food of the Lesser Kestrel (Falco naumanni) was studied by means of pellet contents analysis. A total of 645 entire pellets was collected, 550 pellets from the urban area of Jerusalem, 71 pellets from a rural area (a farmland) in Alona Regio[...]Article
Grzegorz Orlowski, Auteur ; Zbigniew Kasprzykowski, Auteur ; Zbigniew Zawada, Auteur ; Grzegorz Kopij, AuteurStomach content was examined in 53 out of 56 dead Rook Corvus frugilegus nestlings found in several breeding colonies in Poland. The stomachs contained 29 different types of items, 46.5% of which were animal, 12.2% plant and 41.2% mineral (small[...]Article
Ali Uzun, Auteur ; Belgin Uzun, Auteur ; Grzegorz Kopij, AuteurClutch size and breeding success in Little Egrets Egretta garzetta nesting colonially at Lake Poyrazlar, northwest Turkey, were monitored between 2002 and 2005. The mean clutch size in the Little Egret was 3.17 (n = 100) and during four successi[...]Article
Grzegorz Kopij, AuteurThe Southern Bald Ibis behavioural patterns and their daily and seasonal frequency of performance were analysed in a breeding colony in the eastern Free State, South Africa. This species behaviour is characterised by varied and often performed b[...]Article
Grzegorz Kopij, AuteurIn a large (52.5 ha) cemetery situated in the Odra river valley on the outskirt of the city of Wroclaw, breeding birds were counted by means of territory mapping in 1968-69 and in 2008. The cemetery represents a mixed old forest, with highly mod[...]Article
Grzegorz Kopij, AuteurThe study is based on stomach content and boli analyses originated from chicks and adult birds living in South African grassland. Bulk of the Cattle Egrets' diet consisted there of insects (69% of total dry mass), other arthropods constitute 2% [...]Article
Grzegorz Kopij, AuteurThere are four European owl species restricted basically to the boreal zone (taiga and mountain coniferous forests): Pygmy Owl Glaucidium passerinum, Ural Owl Strix uralensis, Great Grey Owl Strix nebulosa and Tengmalm's Owl Aegolius funereus. T[...]Article
Grzegorz Kopij, AuteurArticle
Grzegorz Kopij, AuteurDistribution and numbers of breeding pairs of the White-tailed Eagle, Black Stork and Common Crane during the years 2004-2007 have been determined by means of a questionnaire directed to particular forest districts (n = 871) through forest inspe[...]Article
Grzegorz Kopij, AuteurThe diet of Lesser Kestrels Falco naumanni wintering in an agriculturally-transformed area in Lesotho was studied by means of pellet analysis. Orthopterans, beetles and solifugids (sun spiders) comprised the staple food of the wintering Lesser K[...]