Vol 40 (2017)

DOI: http://dx.doi.org/10.15845/on.v40i0

Innholdsfortegnelse

Interspecific aggression by wintering Great Northern Divers Gavia immer
Ingvar Byrkjedal
PDF (English)
49-54
Are wintering Common Redpolls Carduelis flammea more exposed to avian predators than other small passerines?
Olav Hogstad
PDF (English)
45-48
Predator discrimination and anti-predator behaviour by wintering parids: an experimental study
Olav Hogstad
PDF (English)
39-44
Effects of satellite transmitters on survival in Snowy Owls Bubo scandiacus
Oddvar Heggøy, Tomas Aarvak, Ingar Jostein Øien, Karl-Otto Jacobsen, Roar Solheim, Dan Zazelenchuk, Marten Stoffel, Oddmund Kleven
PDF (English)
33-38
Daily activity and nest attendance in a breeding pair of Parrot Crossbills Loxia pytyopsittacus in southern Norway
Ronny Steen, Anne-Marie Austad, Steen Johnny, Bjørn Aksel Bjerke
PDF (English)
24-32
The dependence of long-distance migration to North Norway on environmental conditions in the wintering area and en route
Robert T. Barrett
PDF (English)
14-23
Density, numbers and origin of Northern Hawk Owls Surnia ulula in southern Norway during the 2016 irruption
Svein Dale
PDF (English)
1-13