Waterfowl Gallery (offsite 
)- Provides a picture and sound of common
North American waterfowl, as well as breeding, migratory, and
winter habitat requirements, and population status. A Ducks
Unlimited, Inc. site.
Ducks-at-a-Distance (offsite )- This is a highly distributed
publication with waterfowl species identification (paintings and
text) and natural history information. A U.S. Fish and Wildlife
Service site.
Patuxent Bird Identification Infocenter
(offsite )- This site
provides identification tips, photos, songs, similar species
comparisons, life history, taxonomy, and range maps of North
American birds, including waterfowl. Site created and maintained by
the Patuxent Wildlife Research Center, U.S. FWS.
Species, Age, and Sex Identification of Ducks Using
Wing Plumage (offsite )- USGS site with
information from Samuel M. Carney's book of the same title. This
site provides identification tips (photographs) for wings of
individual species, as well as comparison of similar species.
Persons with Disabilities