Dave Young   cc-by

Ducks, geese, swans, and relatives is a group of birds. There are 193 species of ducks, geese, swans, and relatives, in 67 genera and 5 families. Anseriformes (ducks, geese, swans, and relatives) includes groups like Presbyornithidae, Paranyrocidae, and Ducks, geese, and swans.

EOL has data for 8 attributes, including:

Known occurrences, collected specimens and observations of ducks, geese, swans, and relatives