The ecology and distribution of ptarmigan in western North America
The three purposes of this study were to summarize the important features of the habits and life history of ptarmigan (Lagopus lagopus, L. mutus and L. leucurus), to describe and compare some places in which each species breeds in western North America and to propose some factors which may influence...
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| Language: | English |
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University of British Columbia
2012
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| Online Access: | http://hdl.handle.net/2429/40872 |