Anseriformes is the scientific name for the order of waterfowl, also known as wildfowl. This order of aquatic birds includes all of the world's ducks, geese, swans and screamers. This taxonomic overview of Anseriformes is based on the Illustrated Checklist of the Birds of the World (Del Hoyo & Collar, 2014).
Lynx Edicions and BirdLife International have published the HBW-BirdLife Illustrated Checklist of the Birds of the World in 2014. The new Checklist is based on the application of criteria for recognising species limits described by Tobias et al. (2010). Full details of the specific scores and the basis of these for each new taxonomic revision are provided in the Checklist. This Checklist also forms the taxonomic basis of BirdLife’s assessments of the status of the world’s birds for the IUCN Red List.