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.