Blar i Brage NMBU på forfatter "Steen, Ronny"
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Area uses and general habitat preferences of ospreys
Krøgenes, Nikolai Aarseth (Master thesis, 2021)The area uses and general habitat preferences of ten ospreys from south-eastern Norway were studied in their home ranges, wintering areas, and during their migrations. The ospreys were tracked using GPS transmitters and ... -
Bats, insects and weather : spatial-temporal trends on a boreal forest wind facility in Norway
Johns, Sarah Elizabeth (Master thesis, 2021)Bats and insects are valuable indicators of ecosystem health. As both organisms are potential bioindicators, it is important to understand how they interact with each other and their environment. Bats and insects are facing ... -
Diet and diel pattern in the tawny owl (Strix aluco)
Vik, Jonas Olseng (Master thesis, 2017)Through continuous video monitoring of three tawny owls (Strix aluco) nests in Akershus county in southeast Norway during April and May 2016. I recorded prey deliveries and prey handling. A total of 284 prey items were ... -
Diet, diel activity and prey handling in the tawny owl (Strix aluco)
Langsholt, Henning Sørby (Master thesis, 2018)I recorded prey deliveries and prey handling using video monitoring at three tawny owl (Strix aluco) nests from late april to late may in 2017, in Akershus county in southeast Norway. I registered a total of 455 prey items, ... -
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 ... -
Diet, diel activity pattern and prey handling of nesting hawk owls (Surnia ulula) as revealed by video monitoring
Gjøran, Stenberg (Master thesis, 2018)I used video monitoring to record prey deliveries at four nests of the northern hawk owl (Surnia ulula) in southern Norway. One nest was monitored in May 2014, while the three other nests were monitored in May-July 2017. ... -
Diet, diel pattern of prey deliveries and prey handling of nesting urban peregrines (Falco peregrinus) in UK, as revealed by continuous video monitoring
Pettersen, Jenny Standahl (Master thesis, 2022)The diet, prey handling behaviour and diel pattern of prey deliveries of an urban nesting pair of the peregrine falcon (Falco peregrinus) in Cromer, UK, was studied through continuous video recording at the nest. The study ... -
Diet, prey deliveries and prey handling of nesting golden eagles (Aquila chrysaetos) in Oppland county, Norway, as revealed by video monitoring of four nests throughout the nestling period
Günther, Andreas (Master thesis, 2020)In this study I used video monitoring of nests throughout the nestling period to study diet, prey deliveries and prey handling of four breeding pairs of golden eagles (Aquila chrysaetos) in Oppland county, Norway. A total ... -
Diet, prey deliveries, and prey handling of nesting urban peregrines (Falco peregrinus) in England, as revealed by continuous video monitoring
Smith, Mari Louise (Master thesis, 2020)The peregrine falcon (Falco peregrinus) is one of the most studied birds of prey. New developments within video recordings, and particularly the use of web cameras at the nest of urban peregrines, has allowed for a more ... -
The effect of artificial light and latitude on foraging activity in resident passerines in Northern Europe
Skryten, Karoline Aasen (Master thesis, 2020)Over the last couple of decades, there has been an increasing interest in the ecological consequences of artificial light on wildlife. At northern latitudes, winter is characterized by short days and low temperatures, ... -
Effects of a fluctuating climate on the body condition of Atlantic Puffins Fratercula Arctica at Røst, Norway
Østvik, Andrea Nygård (Master thesis, 2017)The Atlantic puffin fratercula arctica population is declining in the North Sea- and the Norwegian Sea region. Puffin colonies located in the Røst Archipelago at the outermost tip of the Lofoten Islands, experienced almost ... -
The effects of precipitation on parental food provisioning in the barn owls (Tyto alba) breeding in Norfolk, UK
Glåmseter, Arne Thomas (Master thesis, 2021)Even though scientists have extensively studied the barn owl (Tyto alba), there is limited information on how climatic conditions influence parental food provisioning in barn owls on a local scale. Worsened climatic ... -
Factors affecting hedgehog (Erinaceus europaeus) : presence in residential areas in Southern Norway assessed by a questionnaire survey
Tysnes, Tanya Marlene (Master thesis, 2016-09-02)The European hedgehog (Erinaceus europaeus) is a nocturnal small-sized mammal, 25-40cm, which is only active, from April to September. The purpose of this study was to investigate the various factors that may affect a ... -
Food provisioning in a generalist predator : selecting, preparing, allocating and feeding prey to nestlings in the Eurasian kestrel (Falco tinnunculus)
Steen, Ronny (PhD Thesis;2010:36, Doctoral thesis, 2010)Prey handling behaviour is important for prey selection, but are poorly known for raptors. Therefore, selection and handling of prey by European kestrels (Falco tinnunculus) was studied by observing prey transfer outside ... -
Food provisioning in the Barn owls (Tyto alba) : daily activity, prey handling and effect of rain
Elder, Rachel Ann (Master thesis, 2022) -
The golden eagle's (Aquila chrysaetos) diet and prey handling at the nest investigated by video monitoring
Mjelde, Marianne (Master thesis, 2021)A parent bird provisioning for its nestlings faces many decisions, which are important for the nestlings' survival. As the nestlings grow older, their needs and demands may change, and the parent may respond to this by ... -
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 ... -
Home range and area use of female Eurasian kestrels (Falco tinnunculus) in the boreal forest during the breeding season
Cunningham, Sari Christine (Master thesis, 2013-09-18)I studied home range and area use of the female Eurasian kestrel (Falco tinnunculus), in the boreal forested area of Trysil municipality (61°00' - 61°41'N, 11°44' - 12°52'E) in the breeding season of 2011, a peak vole year. ... -
Laserskremming av gjess : et nyttig verktøy for bonden?
Rasmussen, Lasse (Master thesis, 2022)Gåsebestandene i Europa har vokst kraftig de siste 50 årene, og konfliktnivået mellom gjess og landbruk har vokst i takt med bestandene. Etterspørselen etter skade- og konfliktdempende tiltak er betydelig. Sterkt lys har ...