286 KEY TO FALCONS, HAWKS, AND EAGLES 



3'. Tail not forked ; sides and back of head marked with 

 blackish ; back brown. Found near water. 



p. 280. FISH HAWK. 



1'. Head and neck not mainly white. 

 4. Small (length 10 to 13 inches). 



5. Black stripes on sides of head ; under parts sparsely 



spotted ; back and tail mainly reddish brown. 

 Common. Hovers over meadows for grasshoppers 

 and mice p. 276. SPARROW HAWK. 



5'. No black stripes on back of head ; under parts every r 

 where barred with reddish brown and white ; upper 

 parts slaty gray. Darts after small birds. 



p. 268. SHARP-SHINNED HAWK. 



4'. Larger (length 15 to 25 inches). 



6. Base of tail conspicuously white. 



Upper parts dark brown ; under parts brownish. 

 Female and young . . p. 278. MARSH HAWK. 



6'. Base of tail not conspicuously white. 

 7. Tail strikingly reddish ; upper parts dark brown ; 

 under parts white, streaked with brown. Common, 

 mousing over meadows. 



p. 271. RED-TAILED HAWK. 



7'. Tail not reddish. 

 8. Upper parts ashy gray or bluish gray. 



9. Upper parts bluish gray ; under parts finely barred 



with gray and white. Winter visitant. 



p. 266. GOSHAWK. 



9'. Upper parts ashy gray ; under parts whitish. 

 Adult male .... p. 278. MARSH HAWK. 



8'. Upper parts dark brown ; under parts barred with 

 reddish brown and white. 



10. Shoulders reddish brown. Common in woods. 



p. 273. RED-SHOULDERED HAWK. 



