Subfamily 3. — fuligulinae. 
Subfamily 4. — anatinae. 
Subfamily 5. — anserinae. 
Subfamily 6. — cygninae. 
Order.— FALCONIFORMES. 
Suborder. — SARCORHAMPHI. 
Family. — cathartidae. 
Suborder.— ACCIPITRES. 
Family I. — palconidae. 
Subfamily 1. — falconinae. 
Subfamily 2. — polyborinae. 
Family II. — buteonidae. 
Family III. — pandionidae. 
Order.— GALLIFORMES. 
Suborder. — GALLI. 
Superfamily. — peristeropodes. 
Family. — cracidae. 
Subfamily. — penelopinae. 
Superfamily. — alectoropodes. 
Family I. — meleagrididae. 
Family II.— phasianidae. 
Family III. — tetraonidae. 
Family IV. — perdicidae. 
Subfamily 1. — perdicinae. 
Subfamily 2. — odontophorinae. 
Order. -GRUIFORMES. 
Suborder.— RALLI. 
Fa mi 1 y .- — r a l l i d a e . 
Subfamily 1. — fulicinae. 
Subfamily 2. — rallinae. 
Suborder. — GRUES. 
Family I. — aramidae. 
Family II. — gruidae. 
Order. -CHARADRIIFORMES. 
Suborder.— LONGIPENNES. 
Superfamily. — limigolae. 
Family I. — jacanidae. 
F a m i 1 y 1 1 . — haem atopodid a e. 
Family III. — charadriidae. 
Family IV. — arenaritdae. 
Family V. — aphrizidae. 
Family YI. — scolopacidae. 
Subfamily 1. — tringinae. 
Subfamily 2. — scolopacinae. 
Family YII. — ppialaropodidae. 
