Duckdata - Bibliography of literature on the ecology, conservation, and management of North American waterfowl and their habitats. - http://www.pwrc.usgs.gov/library/duckdata/
Order Anseriformes - Articles about species belonging to the order which includes ducks, geese, and swans. - http://animaldiversity.ummz.umich.edu/site/accounts/information/Anseriformes.html
Natural History of Wildfowl - Short article from Wildfowling Magazine. - http://www.wildfowling.co.uk/magazine/nathist.htm
International Goose Research Group - Researchers interested in the biology and management of arctic-nesting geese. Links to organizations and projects, references, and brief species accounts. - http://www.goose.org/
Harteman Wildfowl - Provides a comprehensive collection of photographs and information on wild Anseriformes (ducks, geese, swans and screamers), Gruiformes (cranes and allies), Charadriiformes (shorebirds and seabirds), Ciconiiformes (flamingo, egrets and ibis), Columbiforme - http://www.harteman.nl