Distribution and Numbers of Snowy Owls on Melville, Eglinton, and Byam Martin Islands, Northwest Territories, Canada
Journal
Raptor Research
Volume
9
Issue
3-4 (Fall-Winter)
Year
1975
Pages
60-64
Section
Scientific Papers
Online Text
ABSTRACT
During aerial surveys of Melville, Eglinton, and Bryam Martin Islands, Queen Elizabeth Group, in 1972, 1973, and 1974, numbers of Snowy Owls (Nyctea scandiaca) were recorded. Both high and low numbers were observed and were not found to be in phase in the different areas surveyed. The lack of phasing is attributed to regional asynchrony in lemming (Dicrostonyx groenlandicus) cycles caused in turn by differences in snow cover and duration of springtime snow melt.
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