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Buteo Montanus.—Nuttall, 
Western Red-tail. . 
It is a variety of Buto Borealis, but much 
larger in size, its legs stouter and stronger 
built, and is found in the mountains west of 
the Mississippi. Its habits are much the same 
as the above, and it feeds on hares, gophers 
and prairie chickens. Eggs four in aumber: 
nests on large trees and on the cliffs, and is very 
hard to get at. 
Buteo Ariderit — Hoopes. 
Krider’s Hawk. 
It is called by Baird the white red-tail. This 
bird I have found in Winnebago County, Iowa, 
in 1870. I first observed it flying at a distance, 
and at first took it for an albino, but seeing 
several of them in company together, was very 
anxious to procure one. They were very shy, so 
much so that I could not get near them. As they 
feed on chickens and other birds, I was able to 
get one that was shot by Mr. Hill, a farmer in 
the county. It was shot near his barn while 
looking after his chickens or pigeons. The second 
specimen I saw in a different neighborhood, 
and approached it as I was riding by in a wagon, 
near sundown ; the bird was watching a flock of 
prairie chickens. The third specimen I obtained 
in 1873, in the same county, andin 1874 I found 
in the same place quite a number, but could not 
