Ecological Archives A025-062-A1

Teresa J. Lorenz, Kerri T. Vierling, Timothy R. Johnson, and Philip C. Fischer. 2015. The role of wood hardness in limiting nest site selection in avian cavity excavators. Ecological Applications 25:10161033. http://dx.doi.org/10.1890/14-1042.1

Appendix A. Wood density at nests and random sites.

Table A1. Estimated wood mass density from woodpecker nests and random sites, calculated from Fig. 3 of Matsuoka (2000).

Species

Sill mean (range) wood density (g/cm3)

Body mean (range) wood density (g/cm3)

Northern Flicker

0.226 (0.167-0.394)

0.194 (0.167-0.278)

White-headed woodpecker

0.233 (0.167-0.510)

0.208 (0.167-0.289)

Williamson's sapsucker

0.268 (0.174-0.561)

0.205 (0.175-0.285)

Hairy woodpecker

0.256 (0.169-0.400)

0.210 (0.169-0.286)

Black-backed woodpecker

0.291 (0.167-0.449)

0.208 (0.167-0.313)

American three-toed woodpecker

0.303 (0.181-0.495)

0.227 (0.181-0.322)

Random trees

0.323 (0.167-0.786)

0.380 (0.167-0.821)

Literature cited

Matsuoka, S. 2000. A method to measure the hardness of wood in standing woodpecker nest trees. Japanese Journal of Ornithology 49:151–155.


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