• Attempted predation by Coronella austriaca on grass snakes Natrix natrix and an adult northern viper Vipera berus in Norway 

  Johansen, Beate Strøm (Journal article; Peer reviewed, 2024)

• Age and sex of Snowy Owls (Bubo scandiacus) during summer irruption on Beliy Island, Yamal in 2015. 

  Solheim, Roar; Sokolov, Aleksandr (Peer reviewed; Journal article, 2021)

  In early summer 2015 a super peak of lemmings (Lemmus sibiricus) appeared on Beliy Island north of Yamal peninsula, Russia (73o19’N, 70o15’E). Considerable numbers of Snowy Owls (Bubo scandiacus) were present, possibly as ...

• Home range, perching height and reaction to approaching humans by radio-tagged Ural Owls. 

  Solheim, Roar; Sonerud, Geir Andreas; Strøm, Hallvard (Peer reviewed; Journal article, 2021)

  Four breeding Ural Owls (Strix uralensis) (one pair, one female and one male) were radiotagged at the nest and tracked on foot with portable equipment in Hedmark county in SE Norway. The owls´ positions were determined by ...

• Snowy Owl (Bubo scandiacus) males select the highest vantage points around nests. 

  Solheim, Roar; Øien, Ingar Jostein; Aarvak, Tomas; Jacobsen, Karl-Otto (Peer reviewed; Journal article, 2021)

  In July 2007 we collected a total of 309 Snowy Owl (Bubo scandiacus) pellets from 35 vantage points in an area where we located four Snowy Owl territories in northern Norway. The number of pellets found at each vantage ...

• Snowy Owl hunting behaviour and prey spotting distances revealed by vole lures. 

  Solheim, Roar (Peer reviewed; Journal article, 2021)

  When Snowy Owls (Bubo scandiacus) turned up in Finnmark, northern Norway in summer 1993, a vole lure on a line was used to test if the owls would detect, approach and attack the lure in the same way that Great Grey Owls ...

• Home range and excursive post-breeding movements of Eurasian Eagle-owls revealed by GPS satellite transmitters 

  Heggøy, Oddvar; Aarvak, Tomas; Ranke, Peter Sjolte; Solheim, Roar; Øien, Ingar Jostein (Peer reviewed; Journal article, 2021)

  Investigating space use of wild birds provides important knowledge of bird behavior and ecology, which is crucial in the management and conservation of threatened species. In the present study, we used GPS satellite telemetry ...

• Spatiotemporal monitoring of the rare northern dragonhead (Dracocephalum ruyschiana, Lamiaceae) — SNP genotyping and environmental niche modeling herbarium specimens 

  Nygaard, Malene; Kopatz, Alexander; Speed, James David Mervyn; Martin, Michael David; Prestø, Tommy; Kleven, Oddmund; Bendiksby, Mika (Peer reviewed; Journal article, 2022)

  The species we have studied the spatiotemporal genetic change in the northern dragonhead, a plant species that has experienced a drastic population decline and habitat loss in Europe. We have added a temporal perspective ...

• Medieval Monastery Gardens in Iceland and Norway 

  Åsen, Per Arvid (Peer reviewed; Journal article, 2021)

• Arctic avian predators synchronise their spring migration with the northern progression of snowmelt 

  Curk, Teja; Pokrovsky, Ivan; Lecomte, Nicolas; Aarvak, Tomas; Brinker, David F.; Burnham, Kurt; Dietz, Andreas; Dixon, Andrew; Franke, Alastair; Gauthier, Gilles; Jacobsen, Karl-Otto; Kidd, Jeff; Lewis, Stephen B.; Øien, Ingar J.; Sokolov, Aleksandr; Sokolov, Vasiliy; Solheim, Roar; Weidensaul, Scott; Wiebe, Karen; Wikelski, Martin; Therrien, Jean-François; Safi, Kamran (Peer reviewed; Journal article, 2020)

  Migratory species display a range of migration patterns between irruptive (facultative) to regular (obligate), as a response to different predictability of resources. In the Arctic, snow directly influences resource ...

• Alien species in Norway: results from quantitative ecological impact assessments 

  Sandvik, Hanno; Hilmo, Olga; Henriksen, Snorre; Elven, Reidar; Åsen, Per Arvid; Hegre, Hanne; Pedersen, Oddvar; Pedersen, Per Anker; Solstad, Heidi; Vandvik, Vigdis; Westergaard, Kristine Bakke; Ødegaard, Frode; Åström, Sandra Charlotte Helene; Elven, Hallvard; Endrestøl, Anders; Gammelmo, Øivind; Hatteland, Bjørn Arild; Solheim, Halvor; Nordén, Björn; Sundheim, Leif; Talgø, Venche; Falkenhaug, Tone; Gulliksen, Bjørn; Jelmert, Anders; Oug, Eivind; Sundet, Jan Henry; Forsgren, Elisabet; Finstad, Anders Gravbrøt; Hesthagen, Trygve H.; Nedreaas, Kjell Harald; Wienerroither, Rupert; Husa, Vivian; Fredriksen, Stein; Sjøtun, Kjersti; Steen, Henning; Hansen, Haakon; Hamnes, Inger Sofie; Karlsbakk, Egil; Magnusson, Christer; Ytrehus, Bjørnar; Pedersen, Hans Christian; Swenson, Jon; Syvertsen, Per Ole; Stokke, Bård Gunnar; Gjershaug, Jan Ove; Dolmen, Dag; Kjærstad, Gaute; Johnsen, Stein Ivar; Jensen, Thomas Correll; Hassel, Kristian; Gederaas, Lisbeth (Peer reviewed; Journal article, 2020)

  1. Due to globalisation, trade and transport, the spread of alien species is increasing dramatically. Some alien species become ecologically harmful by threatening native biota. This can lead to irreversible changes in ...

• Range extension of Great Grey Owl in Europe. 

  Solheim, Roar; Lawicki, L.; Abramcuk, A. V.; Domashevsky, S. V.; Paal, U.; Chodkiewicz, T.; Wozniak, B. (Journal article, 2013)

• Molt pattern of primaries and secondaries during first and second flight feather molt in Great Grey Owls Strix nebulosa. 

  Solheim, Roar (Journal article; Peer reviewed, 2011)

• The origin of Swedish and Norwegian populations of the Eurasian harvest mouse (Micromys minutus). 

  Solheim, Roar; Råberg, L.; Loman, J.; Hellgren, O.; van der Kooij, J; Isaksen, Kjell (Journal article, 2013)

• Individual identification of Snowy Owls (Bubo scandiacus) and Great Grey Owls (Strix nebulosa) based on wing bar patterns. 

  Solheim, Roar (Journal article; Peer reviewed, 2016)

• Behaviour of hybrid male Tetrao tetrix male X T. urogallus female on black grouse leks. 

  Porkert, Jan; Solheim, Roar; Flor, Arne (Peer reviewed; Journal article, 1997)

• Age, sex and size of dead Tawny Owls Strix aluco found during winter famine 2006. 

  Solheim, Roar (Journal article; Peer reviewed, 2009)

• No phylogeographic structure in the circumpolar snowy owls (Bubo scandiacus). 

  Marthinsen, Gunnhild; Wennerberg, Liv; Solheim, Roar; Lifjeld, Jan Terje (Journal article; Peer reviewed, 2008)

• Ural Owls Strix uralensis at the border line: nesting places are not a limiting factor. 

  Solheim, Roar; Bekken, Jon; Bjørnstad, Rune; Bye, Frode Norang; Hagen, Torger K.; Isaksen, Kjell; Strøm, Hallvard (Journal article; Peer reviewed, 2009)

• Age of Great Grey Owls Strix nebulosa observed in Scandinavia in 2012 as revealed by digital photos in the national species report archives. 

  Solheim, Roar (Journal article; Peer reviewed, 2014)

  Record breaking numbers of breeding Great Grey Owls Strix nebulosa were reported in Sweden and Norway in 2010 and 2011, followed by 4105 observations in 2012 as revealed by the national Species archives. Based on locality ...

• Life span, dispersal and age of nesting Great Grey Owls (Strix nebulosa lapponica) in Sweden. 

  Solheim, Roar; Stefansson, Ove (Journal article; Peer reviewed, 2016)

  3073 Great Grey Owls were banded in Sweden in 1955– 2012. 416 were controlled at least once (54.6%) or recovereddead (45.4%).Three birds banded as nestlings were recovered in their 17th calendar year. Most birds were ...

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