Kaufman field guide to advanced birding : understanding what you see and hear /
Field guide to advanced birding
Kenn Kaufman ; illustrated with line drawings by the author and with more than 700 images based on photos by Kenn Kaufman ... [et al.].
- New York : Houghton Mifflin Harcourt, 2011.
- 448 p. : ill. (some col.) ; 20 cm.
Revision of: A field guide to advanced birding. 1990 Includes index.