Developer: ONCFSType: ID tool
This guide covers the ten ducks most commonly observed, ringed and hunted in France (Red-crested Pochard, Common Pochard, Tufted Duck, Gadwall, Teal, Mallard, Pintail, Shoveler, Garganey and Wigeon). The text is supplemented by tens of original photographs of wings and other specific plumage features for each species, with a concise text explaining which specific criteria to consider in each case. The guide can be downloaded here (note the file is 75 MB). The original French version is available here.