Field notes, v504
Page 255
Image from the Biodiversity Heritage Library. Contributed by Museum of Vertebrate Zoology, University of California, Berkeley. | www.biodiversitylibrary.org
Transcription
Bill (Arvey) Journal July 24 207 - adult leaves *5, leaving the newly arrived. Noticed that all departing birds open mouth as they are about to leave. 210 - a brief feeding at 4, food may have passed. 211- young beg so vigorously at 4 that they pushed the parent off its nest, down a foot. 213-6, adult just arrived at nest, young now becoming aroused. 216 - Bird by dead nest leaves, now is unguarded. 224 - other parent returns to 6, both parents present. 229 - Young in 3 now begging. 231-4 - newly arrived noticeably wet, shakes often, spreads wings, now the 1st arrived moves onto the nest rim. 232 - newly arrived feeds young at 6 for = 10 sec. 233 another feeding at 6 by same parent. 234 - newly arrived departs from 6 237- 6- adult remaining tries to feed young briefly, probably no food is passed. 242 - Food passed at 6 . 245 - another food try at 6, prob. no food passed. 248 - adult arrives at 2 w/3 squawks, sits at nest edge. 249- 4- parent leaves, now is unguarded 253 - young at 2 haven't been fed yet, are now begging vigorously. 254 - another adult arrives at 2 on nest rim, with 2 or 3 squawks. 255- 2- feeding by first arrived parent.