downwards; adults roseTcd 

 (1 genus, 1 species) 

 Order ANSERIFORMES Swans, Geese and Ducks 



Water birds; legs short, placed moderately well back; toes webbed 

 in front; edges of beak fringed or serrated 

 Family ANATIDAE 



With the characters of the order 

 Subfamily CYGNINAE Swans 



Lores bare; neck as long as the body 

 (1 genus, 2 species) 

 Subfamily ANSERINAE Geese 



Lores partly or wholly feathered; beak broad and 

 flat; tarsus with rounded scales 

 (4 genera, 8 species) 

 Subfamily DENDROCYGNINAE Tree Ducks 



Lores partly or wholly feathered; beak broad and 

 flat; lower part of tarsus with small, rounded scales; 

 tarsus with transverse or squarish scales above 

 (1 genus, 2 species) 

 Subfamily ANATINAE Dabbling Ducks 



Lores partly or wholly feathered; beak broad and 

 flat; front of tarsus completely with transverse or 

 squarish scales; hind toe scarcely or not lobed 

 (8 genera, 13 species) 

 Subfamily NYROCINAE Diving Ducks 



Lores partly or wholly feathered; beak broad and 

 flat; front of tarsus completely with transverse or 

 squarish scales; hind toe with a broad flap; tail 

 feathers soft 

 (8 genera, 15 species) 

 Subfamily ERISMATURINAE Ruddy Ducks 



Same as preceding, except for stiff and often erect 

 tail feathers 

 (2 genera, 2 species) 

 Subfamily MERGINAE Mergansers 



Lores partly or wholly feathered; beak long and nar- 

 row and serrated along the edge 

 (2 genera, 3 species) 

 Order FALCONIFORMES Birds of Prey 



Land birds; tibia feathered; toes scarcely or not webbed; nostrils 

 much lengthened, parallel with beak, or else opening through a 

 fleshy membrane or covering of skin (cere) at the base of the 



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