Nomadic breeders, Snowy Owls ( Bubo scandiacus) , do not use stopovers to sample the summer environment

Ibis ◽  
2021 ◽  
Author(s):  
Andrea Brown ◽  
Rebecca A. McCabe ◽  
Jean‐François Therrien ◽  
Karen L. Wiebe ◽  
Scott Weidensaul ◽  
...  
Keyword(s):  
Bubo Scandiacus

Snowy Owl (Bubo scandiacus)

2020 ◽  
Author(s):  
Denver W. Holt ◽  
Matt D. Larson ◽  
Norman Smith ◽  
Dave L. Evans ◽  
David F. Parmelee
Keyword(s):  
Snowy Owl ◽  
Bubo Scandiacus

Proventriculitis Associated withCryptosporidium baileyiin a Snowy Owl (Bubo scandiacus) and Its Epidemiological Investigation

10.1645/17-54 ◽  
2017 ◽  
Vol 103 (5) ◽  
pp. 451-457 ◽  
Author(s):  
Shotaro Nakagun ◽  
Noriyuki Horiuchi ◽  
Miki Sugimoto ◽  
Sohei Tomikawa ◽  
Kenichi Watanabe ◽  
...  
Keyword(s):  
Epidemiological Investigation ◽  
Snowy Owl ◽  
Bubo Scandiacus

No phylogeographic structure in the circumpolar snowy owl (Bubo scandiacus)

2008 ◽  
Vol 10 (4) ◽  
pp. 923-933 ◽  
Author(s):  
Gunnhild Marthinsen ◽  
Liv Wennerberg ◽  
Roar Solheim ◽  
Jan T. Lifjeld
Keyword(s):  
Phylogeographic Structure ◽  
Snowy Owl ◽  
Bubo Scandiacus

Diet–tissue discrimination factors of carbon and nitrogen stable isotopes in blood of Snowy Owl (Bubo scandiacus)

2011 ◽  
Vol 89 (4) ◽  
pp. 343-347 ◽  
Author(s):  
J.-F. Therrien ◽  
G. Fitzgerald ◽  
G. Gauthier ◽  
J. Bêty
Keyword(s):  
Stable Isotopes ◽  
Bird Species ◽  
Potential Effect ◽  
Mouse Muscle ◽  
Blood Samples ◽  
Web Studies ◽  
Tissue Discrimination ◽  
Discrimination Factors ◽  
Snowy Owl ◽  
Bubo Scandiacus

Analysis of carbon (13C/12C) and nitrogen (15N/14N) stable isotope ratios (hereafter δ13C and δ15N, respectively) in animal tissues is a powerful tool in food-web studies. However, isotopic ratios of prey are not transmitted directly to a consumer, as a diet–tissue discrimination factor (denoted Δ) occurs between sources and consumer’s tissues. An accurate assessment of the diet of a consumer with stable isotopes thus requires that the Δ13C and Δ15N of the studied species are known. Our aim was to establish Δ13C and Δ15N values in the Snowy Owl ( Bubo scandiacus (L., 1758)). Moreover, we assessed the potential effect of ethanol preservation of blood samples on δ13C and δ15N values. We kept four captive adult Snowy Owls on a pure diet of mice for ≥6 weeks. We then collected mouse muscle and blood samples from the owls and analyzed their δ13C and δ15N values. Δ13C and Δ15N values (mean ± SE) for owl blood were +0.3‰ ± 0.2‰ and +1.9‰ ± 0.1‰, respectively. These values are the first discrimination factors ever reported in Strigiformes and are lower, for Δ15N, than those obtained in terrestrial carnivores and other bird species, including falcons. Preservation in ethanol did not significantly affect δ13C and δ15N values.

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