BIRD-STUDY 



Marsh Hawk 



Goshawk, male 



Fish Hawk 



oo No band across the belly 

 x Under parts white or 

 whitish 



y Rump white 

 yy Rump not white 



z Head and back 

 slate-colored, under 

 parts gray 



zz Head white, back 

 brown, under parts 

 white 

 xx Under parts dark 



y No white spots under- 

 side of wing 



Rough-legged Hawk, dark variety 

 yy A white spot under 

 each wing 



Night Hawk (not a true hawk but some- 

 times mistaken for one when flying) 

 YY Tail with cross-bars or bands 



a A single black band near end 

 o Back barred; 10-11 in. 

 oo Back unbarred; 21 in. 

 aa Several cross-bars or bands 

 o Breast, belly, sides, or all of 

 them cross-barred 

 x White patch at base of 

 tail in sharp contrast to 

 adjacent dark parts 

 y Basal half of tail 



white; perches high 

 yy Only rump white; 



perches low 



xx No white patch at base 

 of tail 



y Breast with big cin- 

 namon spot 

 yy Breast without cin- 

 namon spot 

 z Wing primaries 

 without bars 

 i Tail with two 



bars 



Broad-winged Hawk 



Sparrow Hawk 

 Red-tailed Hawk 



Rough-legged Hawk 



Marsh Hawk 



Swainson's Hawk, male 



