WESTERN GOSHAWK. 
334a. Astur atricapilhis striatulus. 22 inches. 
This is one of the largest, strongest, and most audacious 
of the American hawks, frequently carrying off grouse and 
poultry, the latter often in the presence of the owner. It is 
a handsome bird, in the adult stage, and as graceful in flight 
as in appearance. Adults, above, bluish gray, darkest on the 
crown; a white line over the eye; below, white streaked 
with blackish brown; tail with four black bands, and very 
long. 
Nest. —Is usually placed in the tallest trees in deep forests, 
and is made of sticks, lined with twigs, leaves and grass; 
three or four eggs, bluish white, usually unmarked (2.30 x 1.70). 
MARSH HAWK. 
331. Circus hudsonius. 19 inches. 
The adults of this species are very light colored; bluish 
gray above and white beneath. Young birds of the first two 
years are brown, much lighter on the under parts. In both the 
old and young they have a large white patch at the base of 
the tail. Nest is made in and on swampy ground; four to 
seven eggs; white (1.80 x 1.40). 
10G 
