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 Jan., 1910 SOME CENTRAL COLORADO BIRD NOTES 33 were as large as an ordinary week or ten days old chick, were squatting perfectly motionless on the ground about a foot apart, each in the shade of a plant of some sort. Their feathers were quite well developed. They kept perfectly quiet, and made no move when I picked them up, but opened their eyes, heretofore kept closed, when replaced on the ground. There were a few dead pines and a few aspens about the place, but no thick growth. Choralelies virginianus henryi. Western Nighthawk. Seen constantly from the time we were at Parkdale until we returned. About four o'clock of the after- noon of August second, when a few miles south of Buttes Station, we saw what ap- peared to be a migratory movement of these birds. Altogether we saw anywhere from 50 to 100 of them, all flying southerly in a leisurely manner, and not hunting insects. They were not in a flock, but came along in a scattering fashion, by ones, twos and threes, or more. Aeronautes melanoleucus. White-throated Swift. Two or three were seen June 5 near the Glencairn Ranch on Turkey Creek, and. two days later some were seen just outside of Cation City. Selasphorus platycercus. Broad-tailed Hummingbird. Hummingbirds were seen at Poncha Pass, Medano Ranch, Mosca Creek, Madenos Cation, Westcliffe, and in Hardscrabble Cation. Only two specimens were taken, both at Mosca Creek, and both Broad-tails. Such others as were seen close enough to be identified were of this species, but one which flew past me at Westcliffe, travelling like a bullet, seemed undoubtedly to be a Rufous-backed (S. rufus), but of course I cannot be positive with the glimpse I had. The' Broad-tail is so much the most common species in this state that it is quite safe to put a hummingbird down as such unless one has evidence to the contrary. When running traps at the Poncha Pass camp I saw a female hummer take cotton from some which I had twisted around a twig to mark a trap, so I suppose she was building a nest. Tyrannus tyrannus. Kingbird. Kingbirds were seen at various places between Colorado Springs and Salida, and were not uncommon. A single bird was seen at Westcliffe. From Beulah to Pueblo, and thence to Colorado Springs they were seee quite frequently, though not nearly as common as the next species. Tyrannus verticalis. Western Kingbird. Seen occasionally between Colorado Springs and Villa Grove, and next seen at Westcliffe. Between Beulah and Pueblo, and especially between the latter place and Colorado Springs they were very com- mon and continually seen along the roadside. Halfway between Beulah and Pueblo a pair had a nest at a fence corner, where two posts stood side by side, being placed on the posts, and behind a sort of framework nailed on the side of the post next the road; a cardboard election notice had once been nailed on this frame, and the great- er part of it still remained, and served to screen the nest from the road. There were three young in the nest, fully fledged, and able to fly a little. Family groups were frequently seen along the Pueblo-Colorado Springs road. Tyrannus vociferans. Cassin's Kingbird. One was killed June 7, near Parkdale. lIyiarchus cinerascens. Ash-throated Flycatcher. One seen June 6, near Glendale, and one taken June 8, in Copper Gulch. $ayornis saya. Say's Phoebe. Seen at various places between Colorado Springs and Salida.. At Glendale a pair had a nest in a poultry house at a ranch near our camp. A nest at Hooper contained three eggs June 17; birds were seen from Hooper to Mosca, at San Luis Lake, Medano Ranch, Sand Creek, Durkee Ranch, Westcliffe, Querida, Hardscrabble Cation, and thence at various places until we arrived at Colorado Springs.