Books/Guides:
Audubon Society Encyclopedia of North American Birds, John K. Terres, Alfred A. Knopf, New York, 1980
The Birder's Handbook, Paul R. Ehrlich, David S. Dobbins, Darryl Wheye, Simon & Schuster, 1988
Birds of North America: A Guide to Field Identification, Chandler S. Robbins, Bertel Bruun, Herbert S. Zim, Golden Press, New York, 1966
(The only field guide I've seen that features "sonogram" charts that
show the frequency range and song progression for birds.)
Field Guide to the Birds of North America, Nat. Geographic Society, 3rd edition
Ornithology, 2nd edition, Frank B. Gill, WH Freeman and Co., 1995
Sibley Guide to Birds, David Allen Sibley, Alfred A. Knopf, New York, 2000
Sibley Guide to Bird Life & Behavior, David Allen Sibley, Alfred A. Knopf, New York, 2001
Warblers, Jon Dunn and Kimball Garrett The Peterson Field Guide Series, Houghton Mifflin Company, New York, 1997.
Warblers of Ontario, Chris G. Earley, Point Pelee Nature Series, Lithosphere Press, 1999
Audio/Video/Slides:
Birding By Ear, Roger Richard Walton and Robert Lawson, Houghton Mifflin Company, 1990, cornellbirds@cornell.edu, http://birds.cornell.edu, 607-254-2404; 607-254-2473
(Note: Different published versions include "Eastern Central" and "Western")
Bird Songs, Cornell Lab of Ornithology, 1990, cornellbirds@cornell.edu, http://birds.cornell.edu, 607-254-2404; 607-254-2473
(Note: Different published versions: "Eastern Central" and "Western")
Songs of the Warblers of North America, Donald Borror and William W. H. Gunn, Cornell Laboratory of Ornithology, Library of Natural Sounds, 159 Sapsucker Woods Rd., Ithaca, NY cornellbirds@cornell.edu, 607-254-2404; 607-254-2473 (CD)
Recording equipment Full Compass Inc., Madison, WI
(speak to Sheldon Allen, Sheldon@fullcompass.com, 800/356-5844 x1132)
Slides of birds, VIREO, vireo@acnatsci.org (Slides cost $2.95 each)
Watching Warblers (video), M. Male and J. Fieth, Blue Earth Films, 1996
Note: Many of these resources are available through the American Birding Association's "Birder's Catalog,"
800/634-7736; americanbirding.org or Buteo Books, 800/722-2460. Cheapest prices are usually obtained through www.addall.com or www.abcbooks.com