411 REFERENCE · Wikibooks
Dichotomous Key/Anseriformes
Reference material by Wikibooks contributors. This retains its source identity and is not 411 news reporting.
Anseriformes Animalia Chordata Vertebrata Aves Anseriformes
1
Feet
Entirely webbed - #3: Anatidae
Not entirely webbed - #2
2
Bill
Hooked - ../Anhimidae/
Not hooked - Anseranas semipalmata
3: Anatidae
Call
Whistling - ../Dendrocygninae/
Other - #4