ARCTIC Winter Adaptations in the Willow Ptarmigan
ABSTRACT. The willow ptarmigan, Lugopus lagopus, dwells in a vast area with a variety of climatic and biotic conditions. Populations from northeast Asia must cope with extremely low temperatures along with progressive depletion of food resources throughout the winter. Being unable to roost in the sn...
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| Language: | English |
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1989
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| Online Access: | http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.538.2553 http://pubs.aina.ucalgary.ca/arctic/Arctic44-2-106.pdf |