Image from the Biodiversity Heritage Library.
Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
| www.biodiversitylibrary.org
Transcription
1965
Bill Arvey Journal.
July 24
115 - young calm now at nest 2
117 - adult alights, just to left of dead nest-
118 - parent at 2 leaves
119 - calls heard from young in 6, a continuous squeee, squeee, squeee etc.
120 - 6 - parent hops back away from nest.
122 - 1
124 - a bird comes to 6, 3 feet to left of other parent and
about 6 feet left of nest. (Correction-this bird now hopped
back to nest 4, and belongs to nest 4.
132 - 6) adult leaves nest, no call given, young now alone.
135- 1, adult now in almost close brooding position.
134 - bird seen fishing 20 yds. offshore.
138 - 4 ravens circling over nests, out over water -
146- 2 adults still at dead nest, no positive change.
149 - original adult at dead nest leaves, has been sitting for several
hours here. The secondly arrived bird guards this nest alone now.
153 a nestling at 6 is fluttering the gular area, w/ mouth partly
open.
159 - Parent at 5 has a feather on the left wing which juts out,
may be a good marker.
2PM - adult arrives at 4, hopped onto nest edge. Within 20
seconds the other adult leaves the nest. Young are now begging.
162 a parent arrives at 5, rubs bills and neck w/ other
parent, giving call notes.
203- nest 4 - feeding occurs, young very actively begging.
204 - " " another feeding
206 brief feeding at 4, probably no food's passed.