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    Author(s): Marc D. Meyer; Douglas A. Kelt; Malcolm P. North
    Date: 2005
    Source: Journal of Mammalogy, Vol. 86(2): 275-280
    Publication Series: Miscellaneous Publication
    PDF: View PDF  (160 KB)

    Description

    We examined the nest-tree preferences of northern flying squirrels (Glaucomys sabrinus) in an old-growth, mixed-conifer and red fir (Abies magnifica) forest of the southern Sierra Nevada of California. We tracked 27 individuals to 122 nest trees during 3 summers. Flying squirrels selected nest trees that were larger in diameter and taller than either random trees or large (>50-cm diameter at breast height) nearest-neighbor trees. Snags were used more often than live trees relative to their availability. Nest trees were usually close to riparian habitat; 86% of nest trees were <150 m from a perennial creek. Flying squirrels selected red fir and avoided incense cedar (Calocedrus decurrens). Mean distances between nest trees and size of core-nest areas were greater for males than for females. No detectable relationship was found between size of core-nest area and distance to a perennial creek. These results suggest that flying squirrels of the Sierra Nevada may require large trees and snags within 150 m of perennial creeks for their critical habitat needs.

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    Citation

    Meyer, Marc D.; Kelt, Douglas A.; North, Malcolm P. 2005. Nest trees of northern flying squirrels in the Sierra Nevada. Journal of Mammalogy, Vol. 86(2): 275-280

    Keywords

    Glaucomys sabrinus, nest trees, radiotelemetry, riparian habitat, Sierra Nevada, snags

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https://www.fs.usda.gov/treesearch/pubs/24961