CLASSIFICATION. 41 



Group Ciconiiformes. 



Subgroup Steganopodes. Sula gannet. 



Pelicanus pelican. 

 Phaethon frigate bird. 

 Phalacrocorax cormorant. 

 Subgroup Ardeae. Ardea heron 

 Subgroup Ciconiae. Leptoptilus adjutant. 

 Ciconia white stork. 



Group Anseriformes. 



Subgroup Palamedeae. Palamedea) 



f screamers. 

 Chauna J 



Subgroup Anseres. Anas wild duck. 

 Anser goose. 



Plectropterus spur-winged goose. 

 Cygnus swan. 

 Mergus merganser. 



Group Falconiformes. 



Subgroup Cathartae. Cathartes American vulture. 

 Subgroup Accipitres. Falco falcon. 



Vultur vulture. 



Harpagus. 



Gypogeranus secretary bird. 



Group Tinamiform.es. 



Subgroup Tinami. Tinamus. 



Group Galliform.es. 



Subgroup Galli. Gallus fowl. 



Pavo peacock. 

 Subgroup Opisthocomi. Opisthocomus hoatzin. 



Group Gruiformes. 



Gruidae cranes. 



Group Stereornithes. Phororhacos. 



