Order CUCULIFORMES Cuckoo-like Birds 



Family CUCULIDAE Cuckoos and Roadrunners 



Land birds; tibia feathered; tarsus mostly bare; toes two 

 before and two behind, not webbed; beak long, with 

 smooth edges; nostrils exposed, brownish or grayish above; 

 with soft tail feathers 

 (3 genera, 6 species) 

 Order STRIGIFORMES Owls 



Land birds; tibia feathered; toes three before and one behind, not 



webbed, the outer toe reversible; beak with a cere; eyes directed 



forward; usually with a facial disc 



Family TYTONIDAE Barn Owls 



Middle claw serrate; no ear tufts 

 (1 genus, 1 species) 



Family STRIGIDAE Horned Owls, Barred Owls, etc. 

 Middle claw not serrate; with or without ear tufts 

 (11 genera, 17 species) 

 Order CAPRIMULGIFORMES Goatsuckers, etc. 



Family CAPRIMULGIDAE Nighthawks and Whip-poor-wills 

 Land birds; tibia feathered; feet small and weak; beak 

 short and small; gape very wide; usually with bristles 

 around the mouth; wings long and narrow; claw on middle 

 toe serrate; feathers downy 

 (4 genera, 6 species) 

 Order MICROPODIFORMES Swifts and Hummingbirds 



Land birds; tibia feathered; feet small and weak; wings long and 



narrow; claw on middle toe not serrate; feathers smooth 



Family MICROPODIDAE Swifts 



Beak short and small; gape very wide; often with spines 

 extending from the ends of the tail feathers; birds usually 

 seen on the wing and often mistaken for swallows 

 (3 genera, 4 species) 



Family TROCHILIDAE Hummingbirds 



Very small birds; beak long and slender; plumage shining 

 (10 genera, 15 species) 

 Order TROGONIFORMES 



Family TROGONIDAE Trogons 



Land birds; tibia feathered; toes two before and two be- 

 hind, not webbed; tail feathers soft; beak short, with ser' 

 rate edges; nostrils concealed; tarsus mostly feathered; 

 greenish above 

 (1 genus, 1 species) 



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