Journal 1963 E Borell Ojosaguna, Chihuahua, 5000' el. Mexico April 6 Cold last night, 36 o at 7 am. 70 o at 1 pm. Beautiful day - little wind. Trip around the ponds & through the bush counts west of camp. Long-eared Owl - 1 probably same one seen on Apr 4. Diag ducks - 6 Mallard ? with group of 4 Diag ducks. Green-winged teal - 3 - shot 2, both thin at no gonad development. Sicy warbler - 1 - have seen one or two each day since Mar 30 but I wasn't certain of identification. Audubon warbler - 2 First Bullheads White cr. Sparrow - 100 Oriole arrive - Brewer Sparrow - 300 Cottonwood over Vesper