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2. American Ornithologists’ Union (1983) Check-list of North American Birds, 6th edn. American Ornithologists’ Union, Lawrence, Kansas.
3. Ash, A.N. and Bruce, R.C. (1994) Impacts of timber harvesting on salamanders. Conserv. Biol. 8(1):900–901.
4. Askins, R.A. (1993) Population trends in grassland, shrubland, and forest birds in eastern North America. Current Ornithology 11:1–34.
5. Bagg, A.C. and Eliot, S.A. (1937) Birds of the Connecticut Valley in Massachusetts. The Hampshire Bookshop, Northampton, Massachusetts.