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Tim Hipkiss
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Biography
I'm a British wildlife biologist based in Sweden. My research has focused on Tengmalm's owls (breeding ecology) and golden eagles (wind farm management). I currently work as an environmental consultant.
EnviroPlanning AB
Lilla Bommen 5C
Göteborg, SE-411 04 Sweden
Email:
tim.hipkiss@enviroplanning.se
Research Interests
All aspects of owl ecology.
Effects of cyclic voles on raptor ecology.
Wind farm effects on raptors.
Species of Interest:
Tengmalm's (Boreal) Owl
Golden Eagle
Publications
Hörnfeldt, B.,
T. Hipkiss
, A.-K. Fridolfsson, U. Eklund, and H. Ellegren. 2000. Sex ratio and fledging success of supplementary-fed Tengmalm's Owl broods. Molecular Ecology 9: 187–192.
pdf
Hipkiss, T.
, B. Hörnfeldt, U. Eklund, and S. Berlin. 2002. Year-dependent sex-biased mortality in supplementary-fed Tengmalm's Owl nestlings. Journal of Animal Ecology 71: 693–699.
pdf
Hipkiss, T.
, B. Hörnfeldt, Å. Lundmark, M. Norbäck, and H. Ellegren. 2002. Sex ratio and age structure of nomadic Tengmalm's Owls: a molecular approach. Journal of Avian Biology 33: 107–110.
pdf
Hipkiss, T.
2002. Sexual size dimorphism in Tengmalm's Owl (
Aegolius funereus
) on autumn migration. Journal of Zoology 257: 281–285.
pdf
Hipkiss, T.
2002. Brood sex ratio and sex differences in Tengmalm's Owl (
Aegolius funereus
). Ph.D. dissertation, Umeå University, Umeå, Sweden.
pdf
Hipkiss, T.
, and B. Hörnfeldt. 2004. High interannual variation in the hatching sex ratio of Tengmalm’s Owl broods during a vole cycle. Population Ecology 46: 263–268.
pdf
Hörnfeldt, B.,
T. Hipkiss
, and U. Eklund. 2005. Fading out of vole and predator cycles? Proceedings of the Royal Society of London B: Biological Sciences 272: 2045–2049.
pdf
Hipkiss, T.
2007. Can migrating Tengmalm’s Owls
Aegolius funereus
be reliably sexed in autumn using simple morphometric measurements? Ringing and Migration 23: 201–204.
pdf
Hipkiss, T.
, O. Stefansson, and B. Hörnfeldt. 2008. Effect of cyclic and declining food supply on Great Grey Owls in boreal Sweden. Canadian Journal of Zoology 86: 1426–1431.
pdf
Moss, E.H.R.,
T. Hipkiss
, I. Oskarsson, A. Häger, T. Eriksson, L.-E. Nilsson, S. Halling, P.-O. Nilsson, and B. Hörnfeldt. 2012. Long-term study of reproductive performance in Golden Eagles in relation to food supply in boreal Sweden. Journal of Raptor Research 46: 248–257.
Hipkiss, T.
, J. Gustafsson, U. Eklund, and B. Hörnfeldt. 2013. Is the long-term decline of Boreal Owls in Sweden caused by avoidance of old boxes? Journal of Raptor Research 47: 15–20.
Sandgren, C.,
T. Hipkiss
, H. Dettki, F. Ecke, and B. Hörnfeldt. 2014. Habitat use and ranging behaviour of juvenile Golden Eagles
Aquila chrysaetos
within natal home ranges in boreal Sweden. Bird Study 61: 9–16.
Moss, E.H.R.,
T. Hipkiss
, F. Ecke, H. Dettki, P. Sandström, P.H. Bloom, J.W. Kidd, S.E. Thomas, and B. Hörnfeldt. 2014. Home-range size and examples of post-nesting movements for adult Golden Eagles (
Aquila chrysaetos
) in boreal Sweden. Journal of Raptor Research 48: 93–105.
Hipkiss, T.
, E. Moss, and B. Hörnfeldt. 2014. Variation in quality of Golden Eagle territories and a management strategy for wind farm projects in northern Sweden. Bird Study 61: 444–446.
Bloom, P.H., J.W. Kidd, S.E. Thomas,
T. Hipkiss
, B. Hörnfeldt & M.J. Kuehn. 2015. Trapping success of adult Golden Eagles in northern Sweden using carrion with bow nets. Journal of Raptor Research 49: 92–97.
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