Author
Bill Thompson, 1962-
2 results
Jonathan K. Alderfer
2 results
Jonathan P. Latimer
2 results
Julie Zickefoose
2 results
Karen Stray Nolting
2 results
National Audubon Society
2 results
National Geographic Society (U.S.)
2 results
Roger Tory Peterson, 1908-1996
2 results
Amy Ludwig VanDerwater
1 results
Annette Cate
1 results
BirdLife International
1 results
Borror Laboratory of Bioacoustics
1 results
Brian L. Sullivan, 1971-
1 results
Claire Mowbray Golding
1 results
Clare Walker Leslie
1 results
Claudia Dávila
1 results
Cornell University. Laboratory of Ornithology
1 results
Creative Homeowner Press
1 results
Dale A. (Dale Allyn) Rosselet, 1957-
1 results
David Burnie
1 results
David Tipling
1 results
Donald W. Stokes
1 results
Dylan Metrano
1 results
George L. Armistead
1 results
James Robins
1 results
Jon Dunn, 1954-
1 results
Jonathan Elphick
1 results
Joseph Choiniere
1 results
Judy Fieth
1 results
Kate Rowinski, 1955-
1 results
Katy R. Kudela
1 results
Kevin Karlson
1 results
Kira Josefsson
1 results
Mats Ottosson, 1962-
1 results
Matt Sewell
1 results
Michael DiGiorgio
1 results
Michael Male
1 results
Mya Thompson
1 results
National Wildlife Federation
1 results
Rachael Lanicci
1 results
Richard K. Walton
1 results
Robert W. Lawson
1 results
Roger Tory Peterson Institute
1 results
Roine Magnusson, 1970-
1 results
Scott Weidensaul
1 results
Susan Stockdale
1 results
Taylor Farley
1 results
Tom Vezo
1 results
Åsa Ottosson, 1960-
1 results