May, 1912 
SOME NORTH-CENTRAL COLORADO BIRD NOTES 
91 
anything like the anxiety the other had just a week previously. The young 
we saw that day all seemed to be about the same age. Sometimes we saw a single 
adult squatting in the shade of a fence post, and one young bird was seen in a 
•' similar position. A few were noted between Ault and Fort Collins the next day. 
One was seen July 5 about three miles southeast of Lake John, which acted 
as if it might have young, but a thorough search failed to scare up any. 
19. Dendragapus obscurus. Dusky Grouse. Not as many Grouse were 
seen as I should have expected. One was seen near Hell Creek. Two females 
with one or more young each were seen near our Mt. Zirkel camp. One of these 
young appeared to be about two weeks old, that belonging to the other bird was 
Eig. ,1,5. YOUNG OF THE AUPINE THREE-TOED 
WOODPECKER, JUST OUT OF THE NEST 
considerably larger. This was July 12-15. July 28 seven Grouse were seen on 
the Routt County side of Buffalo Pass aliout two miles from the summit. 
20. Lagopus leucurus. White-tailed Ptarmigan. A single Ptarmigan 
was seen July 10 on Mt. Zirkel, the only one we saw the whole trip. I was greatly 
disappointed, for I had counted on finding them plentiful there, and on securing 
a good series of photographs. Durand reported finding much sign of them on 
Sawtooth, near the Cameron Pass camp. 
21. Centrocerus urophasianus. Sage Grouse. This species was seen 
only in the North Park. Near our camp at Hell Creek we saw a flock of fifteen 
adults, which appeared to be all males. July 5 we saw about two miles from 
