References

Driscoll, C.T., Lawrence, G.B., Bulger,A.J., Butler, T.J., Cronan, C.S., Eagar, C.,Lambert, K.F., Likens, G.E., Stoddard, J.L., and Weathers, K.C. 2001. Acidic Deposition in the Northeastern United States: Sources and Inputs, Ecosystem Effects, and Management Strategies. BioScience 51(3):180-198.

Hunt, P.D. and Eliason, B.C. 1999. Blackpoll Warbler (Dendroica striata). In: The Birds of North America, No. 431 (Poole, A. and Gill, F., eds). The Birds ofNorth America, Inc., Philadelphia, PA.

Morse, D.H. 1989. American warblers: an ecological and behavioral perspective. Harvard Univ. Press, Cambridge, MA.

Sauer, J.R., Hines, J.E., and Fallon, J. 2001. The North American Breeding Bird Survey, Results and Analysis 1966-2000. Version 2001.2, USGS Patuxent Wildlife Research Center, Laurel, MD.