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Whitehead, Maria A.; Schweitzer, Sara H.; Post, William (2002). "Cowbird/host interaction in a southeastern old-field: a recent contact area?". Journal of Field Ornithology. 73 (4): 379–386. doi:10.1648/0273-8570-73.4.379. S2CID86231361.
Leck, C; Murray, Bertram G.; Swinebroad, Jeff (1988). "Long-term changes in the breeding bird populations of a New Jersey forest". Biological Conservation. 46 (2): 145. Bibcode:1988BCons..46..145L. doi:10.1016/0006-3207(88)90097-3.
Duguay, Jeffrey P.; Wood, Petra Bohall; Nichols, Jeffrey V. (2001). "Songbird abundance and avian nest survival rates in forests fragmented by different silvicultural treatments". Conservation Biology. 15 (5): 1405–1415. Bibcode:2001ConBi..15.1405D. doi:10.1046/j.1523-1739.2001.99023.x. JSTOR3061496.
Keller, J; Richmond, M.E; Smith, C.R (2003). "An explanation of patterns of breeding bird species richness and density following clearcutting in northeastern USA forests". Forest Ecology and Management. 174 (1–3): 541. Bibcode:2003ForEM.174..541K. doi:10.1016/S0378-1127(02)00074-9.
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Sibley, Charles G.; West, David A. (1959). "Hybridization in the Rufous-sided Towhees of the Great Plains". The Auk. 76 (3): 326–338. doi:10.2307/4081810. JSTOR4081810.
Yahner, Richard H. (1991). "Avian nesting ecology in small even-aged aspen stands". Journal of Wildlife Management. 55 (1): 155–159. doi:10.2307/3809253. JSTOR3809253.
Stauffer, Dean F.; Best, Louis B. (1980). "Habitat selection by birds of riparian communities: evaluation effects of habitat alterations". Journal of Wildlife Management. 44 (1): 1–15. doi:10.2307/3808345. JSTOR3808345.
Lewis, Amy R.; Yahner, Richard H. (1999). "Sex-specific habitat use by Eastern Towhees in a managed forested landscape". Journal of the Pennsylvania Academy of Science. 72 (2): 77–79. JSTOR44149264.
Hockman, J. Gregory; Chapman, Joseph A. (1983). "Comparative feeding habits of red foxes (Vulpes vulpes) and gray foxes (Urocyon cinereoargenteus) in Maryland". The American Midland Naturalist. 110 (2): 276–285. doi:10.2307/2425269. JSTOR2425269.
Whitehead, Maria A.; Schweitzer, Sara H.; Post, William (2002). "Cowbird/host interaction in a southeastern old-field: a recent contact area?". Journal of Field Ornithology. 73 (4): 379–386. doi:10.1648/0273-8570-73.4.379. S2CID86231361.