CLASS AVES 591 



i 



may be reversible; two suborders and four families. Examples: 

 CUCULID.E, Cuckoos (Fig. 499); PSITTACID^:, Cockatoos and 

 Parrots. 



Order 20. Coraciiformes. ROLLER-LIKE BIRDS. Arboreal 

 birds with short legs; seven suborders and eighteen families. 

 Examples: CORACIID^E, Rollers; ALCEDINID^E, Kingfishers 

 (Fig. 500); STRIGID.E, Owls (Fig. 501); CAPRIMULGID^E, goat- 

 suckers; TROCHILID^E, Humming-birds (Fig. 502); MICRO- 

 PODUXE, Swifts; PICID.E, Woodpeckers (Fig. 503). 



Order 21. Passeriformes. -- SPARROW-LIKE BIRDS. --More 

 than half of all the birds known belong to this order. There 

 are two suborders, four superfamilies, and sixty-four families. 

 The twenty- five North American families are as follows :- 



FAMILY COMMON NAME 



1. TYRANNID^E .... Tyrant Flycatchers (Fig. 504, A) 



2. COTTNGID.E .... Cotingas 



3. ALAUDID^E Larks 



4. MOTACILLID.E . . . Wagtails 



5. TURDID.E Thrushes, Bluebirds, etc. 



6. MIMID^E Thrashers, Mocking-birds, etc. (Fig, 



54, H) 



7. CINCLID.E Dippers 



8. TROGLODYTTD.E . . Wrens (Fig. 504, G) 



9. CHAM^EID^E .... Wren-Tits 



10. SYLVIID.E Warblers, Kinglets, and Gnatcatchers 



11. HIRUNDINID.*: . . . Swallows (Fig. 504, E) 



12. BOMBYCILLID/E . . Waxwings (Fig. 504, F) 



13. PTILOGONATID^: . . Silky Flycatchers 



14. LANIID.E Shrikes 



15. VIREONID.E .... Vireos 



1 6. SITTHXE Nuthatches 



17. PARID.E Titmice 



18. CORVID.E Crows, Jays, etc. (Fig. 504, B) 



19. STURNID^E Starlings 



