3 
Family VIII. — recurvirostridae. 
Superfamily. — lari. 
Family I. — stercorariidae. 
Family II. — laridae. 
Subfamily 1. — larinae. 
Subfamily 2. — sterninae. 
Family III. — rynchopidae. 
Suborder. — ALGAE. 
Family. — alcidae. 
Suborder.— COLUMBAE. 
Family. — columbidae. 
Subfamily 1. — peristerinae. 
Subfamily 2. — columbinae. 
Order. — CUCULIFORMES. 
Suborder. — PSITTACI. 
Family. — psittacidae. 
Subfamily. — psittacinae. 
Suborder.— CUCULI. 
Family. — cuculidae. 
Subfamily 1. — cuculinae. 
Subfamily 2. — neomorphinae. 
Subfamily 3. — crotophaginae. 
Order. — CORACIIFORMES. 
Suborder. — PICI. 
Family. — picidae. 
Subfamily. — picinae. 
Suborder. — TROGONES. 
Family. — trogontidae. 
Suborder.— CORACIAE. 
Family.- — alcedinidae. 
Subfamily. — alcedininae. 
Suborder.— STRIGES. 
Family I. — strigidae. 
Family II. — asionidae. 
Suborder.— CAPRIMULGI. 
Family. — caprimulgidae. 
Subfamily.— capri mulginae. 
Suborder.— MACROCHIRES. 
Superfamily. — cypseli. 
Family. — micropodidae. 
Subfamily 1. — chaeturinae. 
Subfamily 2. — micropodinae. 
Superfamily. — trochili. 
Fam i ly . — troc pi i li dae. 
Order. -PASSERIFORMES. 
Supersuborder. — eleutherodactyli. 
Suborder. — MESOMYODI. 
