LLW014 1967 Journal July 19 Cuernavaca, Morelos, Mexico Up at 0500. Had breakfast & drove out to Eaton de Lobos. Walked down to area at edge of cornfield on Acacia dominated hillside. Watched two pair of A. ruficauda in boundary confrontation. Spent until 0800 watching them 2 pair. Then over to nest of A. ruficauda. Watched here for 1 hour from 30+yds away + parents would not comein. Left nest site + checked A. humerula nest - adult incubating. Back to watching 2 pair around cornfield - saw at least three together for short time. Saw Rusty-crowned Motmots carrying food. Flocking 6t Philegony's cinereus flew overhead & lit at edge of cornfields on west slope of canyon. Banded Whin nest - 3eggs hatched by 1100. Took one young for downy young. Weighed young in A. ruficauda nest + took Bronzed Cowbird. Back to apartment where spent rest of day preparing specimens. Dick got 16 birds, a huge Bufo, & a Sellogonus or. Day started cloudy + windy. Fog hanging on most of ridges on either side of canyon + moving to west down side canyon. Started to clear about 0800 + was sunny, but partly cloudy, rest of day. Noticed fewer Black & Turkey Vultures today + they began soaring late in day (0830) than usual. Wrote notes after supper + to bed at 2030.