Blar i Master's theses (INA) på forfatter "Sonerud, Geir A."
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Diet and activity pattern of the white-tailed eagle (Haliaeetus albicilla) under the midnight sun
Eriksen, Einar (Master thesis, 2016-09-05)I recorded prey deliveries at two nests of the white-tailed eagle (Haliaeetus albicilla) during the nestling period in May – July in Troms county in northern Norway. A total of 74 prey items were recorded delivered during ... -
Diet, diel activity and prey handling in the tawny owl (Strix aluco), as revealed by video monitoring of prey deliveries at the nest
Sand, Caroline (Master thesis, 2016-09-02)Prey deliveries and prey handling at three nests of the tawny owl (Strix aluco) in Akershus county in Norway were video monitored during the nesting period. In total, 712 prey items were recorded, and 619 of these were ... -
Factors Affecting Prey Choice and Diel Activity in Ospreys (Pandion haliaetus) Nesting in SE Norway
Hansen, Silje Klo (Master thesis, 2017-05-11)Prey deliveries and prey handling were video recorded at two ospreys (Pandion haliaetus) nests in Sarpsborg municipality, south – eastern (SE) Norway, during the nestling period in May – August 2016. The males delivered ... -
Habitat selection and prey choice in the house cat (Felis silvestris catus)
Barmoen, Magnus (Master thesis, 2016-11-22)The domestic cat’s effect on wildlife, especially as a predator on birds, has been increasingly debated in later years. Most studies that examine predation by cats have recorded home-brought prey or analyzed stomach contents ... -
Habitat use and habitat-specific behaviour of breeding female Eurasian kestrels (Falco tinnunculus) in a peak vole year in the boreal forest
Larsen, Cathrine Sussane Torjussen (Master thesis, 2012-09-14)I used radio telemetry to study the habitat use and habitat-specific behaviour of six female Eurasian kestrels (Falco tinnunculus). The field work was conducted in Trysil municipality, south eastern Norway, during the ... -
Prey delivery and handling at the nest in ospreys (Pandion haliaetus) : diel patterns and potential family conflicts
Bjørgeengen, Silje (Master thesis, 2016-09-02)The prey items delivered at four osprey (Pandion haliaetus) nests in Østfold county, Norway, and the handling of these, were recorded on video during the nestling season in June-August of 2015. A total of 510 prey items ... -
Prey handling by a generalist predator, the golden eagle (Aquila chrysaetos)
Grønsdal, Espen (Master thesis, 2012-11-08)Although the golden eagle (Aquila chrysaetos) is a well-studied raptor, there is a lack of studies on its prey handling-behaviour, which is important for understanding its prey selection. I extracted data on four individuals ...