Vol. 40 (2017)

Articles

• Interspecific aggression by wintering Great Northern Divers Gavia immer

  Ingvar Byrkjedal

  49-54

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• Are wintering Common Redpolls Carduelis flammea more exposed to avian predators than other small passerines?

  Olav Hogstad

  45-48

  • PDF

• Predator discrimination and anti-predator behaviour by wintering parids: an experimental study

  Olav Hogstad

  39-44

  • PDF

• 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

  33-38

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• 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

  24-32

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• The dependence of long-distance migration to North Norway on environmental conditions in the wintering area and en route

  Robert T. Barrett

  14-23

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• Density, numbers and origin of Northern Hawk Owls Surnia ulula in southern Norway during the 2016 irruption

  Svein Dale

  1-13

  • PDF