Identification Guide to North American Birds, Part II by Peter Pyle

Part II: Anatidae to Alcidae - by Peter Pyle: A highly technical guide for researchers, used for birds in hand. Data includes plumage, molt patterns, measurements (wing, tail, bill, tarsus, mass), sexing, and ageing information.

Includes the following families:

Anatidae, Anserinae, Anserini, Anatinae, Anatini, Athyini, Mergini, Oxyurini, Phasianidae, Odontophoridae, Gaviidae, Podicipedidae, Diomedeidae, Procellariidae, Hydrobatidae, Phaethontidae, Sulidae, Pelecanidae, Phalacrocoracidae, Anhingadae, Fregatidae, Ardeidae, Threskiornithidae, Ciconiidae, Phoenicopteridae, Cathartidae, Accipitridae, Falconidae, Rallidae, Aramidae, Gruidae, Charadrii, Charadriidae, Haematopodidae, Recurvirostridae, Jacanidae, Scolopacidae, Scolopacinae, Scolopacini, Tringini, Numeniini, Limosini, Arenariini, Calidridini, Limnodromini, Gallinagini, Phalaropodinae, Laridae, Larinae, Sterninae, Stercorariidae, Alcidae.