Boll 1964 Summary-Apr 21- May 22 continued. Ojo la jura, chihuahua, 5200 ft Mex. Orchard Oriole, arrived in early May and have been common since. At least two pairs are busy with nest building in the cottonwood around camp. There seems to be little conflict between the Orchard Orioles and Bullock owls that are nesting in the same cottonwood. Brewers Blackbird, several migrating flocks were seen until early May. None are here now. Boat tailed Grackle, have been common since Apr 21, but have been seen at least less the last few days. Brown headed Cowbird, common since Apr. 28 when the first one was seen Bronzed Cowbird, I seen on May 11, D collected on May 17 Western Tanager common from May 5 through 15. Only stray since then