Hierarchy classification:

1. top of the aat hierarchies
2. Agents Facet
3. Living Organisms (hierarchy name)
4. living organisms (entities)
5. Eukaryota (domain)
6. Animalia (kingdom)
7. Chordata (phylum)
8. Vertebrata (subphylum)
9. Aves (class)

Narrower term/s

• Anatidae (family)[+]
  • ducks (birds)
  • geese
  • Cygnus (genus)

Anotations

Scope note:

Order containing 150 species in two families including ducks, geese, and swans. Characteriezed as web-footed birds with broad bills containing fine plates or lamellae (except for screamers) and large-footed marsh birds with chickenlike bills.