Red Squirrel Cover Requirements in Arizona Mixed Conifer Forests
Seven species of coniferous trees provide red squirrels (Tamiasciurus hudsonicus) nesting cover as well as shade for cones stored in a food cache. The best habitat consists of multi-storied stands of mixed conifers with trees from 12 to 14 inches d.b.h. in dense groups of one-tenth acre or less. At least one tree in the group is 18 inches in d.b.h. and is generally a Douglas-fir (Pseudotsuga menziesii). Centered within the group is a live tree, snag, or downed log (20 inches or more in d.b.h.) which is the nucleus of the food cache.
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Document Type: Journal Article
Affiliations: Principal Wildlife Biologist with the USDA Forest Service's Rocky Mountain Forest and Range Experiment Station
Publication date: 1983-01-01
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