References

Weeks, H.P. 1994. Eastern Phoebe (Sayornis phoebe). In The Birds of North America, No. 261 (A. Poole and F. Gill, Eds.). Philadelphia: The Academy of Natural Sciences; Washington, DC.: The American Ornithologists’ Union.

Sauer, J.R., J.E. Hines, and J. Fallon. 2002. The North American Breeding Bird Survey. Results and Analysis 1966-2001. Version 2002.1, USGS Patuxent Wildlife Research Center, Laurel, MD.

Martin, A.C., H.S. Zim, and A.L. Nelson. 1951. American Wildlife & Plants A Guide to Wildlife Food Habits. Dover Publications, Inc. New York, NY.