KEY TO Till-: BIRDS. 



D. BIRDS CONSPICUOUSLY BLACK, DUSKY, OR DARK 

 GRAY. 



L Above olive-gray; head black. Wings dark brown; tail black, 

 with white spots on the two outer quills. Entire breast and 

 belly pale brick-red. Throat streaked with black and white ; 

 white eyelids. Bill yellow, dusky at tip ; feet dark. 



American Robin. See page 64. 



2. Gray above; wings brownish gray, white spot on outer edge. 



Breast grayish white ; tail brownish, three outer quills white. 



Night singer. 



Mockingbird. See p.ige 76. 



3. Clear, deep slate above ; under parts light gray. Crown and tail 



black ; vent rust-red. 



Catbird. See page 78. 



4. Dark bluish slate all over, except lower breast and belly, which 



are grayish white, and form a vest. Several outer tail feathers 

 white, which are con.spicuous in flying. Bird of autumn and 

 winter. 



Slate-coloured Jnnco. See page 155. 



5. Head, neck, breast, back, and middle tail feathers black. Belly 



and spots on outer tail feathers white. Sides light bay. Red 



eyes, black bill, light-brown feet. 



Towhee. See page 160. 



6. Above black ; belly, rump, three outer tail quills, and two spots 



on wings white. Breast rose-carmine, which colour extends 



under the wings. 



Rose-breasted Grosbeak. See page 163. 



7. Above bluish ash, lighter on the rump and shoulders ; below light 



gray, waved with darker lines. Black bar on each side of 

 head ; wings and tail black, outer quills of latter white-tipped. 

 Blackish beak ; legs bluish black. Winter bird. 



Northern Shrike. See page 133 



8. Black head, chin, tail, and under parts. Buff patch on back of 



neck; also buff edges to some tail feathers. Rump and upper 

 wing coverts white. Bill brown. Meadow bird. 



Bobolink. See page 165. 



9. Body flat and compact. Above .slate-blue ; top of head and nape 



black. Wings blackish, edged with slate; belly white, grow- 

 ing rusty toward vent. Bill dark lead colour ; feet dark brown. 

 Tree-creepers ; most conspicuous in autumn and winter. 



White-breasted Nuthatch. See page 73. 

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