USGS Thesaurus and Enterprise Web Document Catalog
Identification manual with colored photos of species of puddle ducks, diving ducks, geese, mergansers, swans, cranes, herons, egrets, pelicans and cormorants. Also includes information on ordering print copy and downloading as *.zip file.
URL: | http://www.npwrc.usgs.gov/resource/birds/waterfwl/index.htm |
Originators | Central Flyway Waterfowl Council (Sponsor); Kuck, Tom; and Funk, Howard |
Publisher | Geological Survey (U.S.) |
Date | 1994 |