BOWMAN 1952 Journal Aug 23. 3 mi. SW Tree Piedras, 9000 ft., Rio Arriba Co., New Mexico. about 1 1/2 acres in area, as of this time -- formerly larger -- about 3 miles SE of camp. No amphibians could be located either in the water or in the surrounding, closely cropped grass. See photo 1/7. The following bird temperatures were obtained: Species Temp Time Conditions Pine Siskin 40.9°C 8:05 AM Dying House Wren 40.3°C 9:10 AM dead 10 sec. Russell's-backed Thrush 42.3°C 10:10 AM dead 20 sec. No. 142 R.I.B. At 3:00pm we drove into Tree Piedras for mail. Saw several English Sparrows around buildings. Also a flock of 50 (counted) Nighthawks circling over highway. No obvious migratory movement. Also saw 5 Morning Doves, Aug 24 Slight rain last evening. Cool down this morning. From 6:50 AM - 10:00 AM observed the following while hiking along a prominent pine & aspen covered ridge NW of camp.: Hairy Woodpecker, Red-shafted Flicker, Hawk (Buteo sp?), Mt. Chickadee, West Wood Pewee, West Bluebird Pygmy Nuthatch, White-breasted Nuthatch, Gray-headed Junco, Pine Siskin, Clark's Nutcracker, Steller Jay, Tree Swallows, Paleolated Warbler, Townsend Warbler, Audubon Warbler, Calliope Hummer. Observed Pygmy Nuthatches swoop out after insect food on two occasions. -- merely a dive, not a sustained fluttering in one spot. Warblers were to be heard everywhere on the ridge -- in pines, oaks, and aspens. All my warblers were taken in aspen since they are easiest to shoot here. They remain for only