Image from the Biodiversity Heritage Library.
Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
| www.biodiversitylibrary.org
Transcription
Zonotrichia leucophrys
26,
8 April.
Inside NW Corner Edwards Field, Nest 6.
Still 4 eggs. ♀ still incubating. Flushed a ♂ Brewer's Blackbird from this tangle of
vines. It was about 3 ft. from nest 6,
but ♀ White Crown was apparently not
alarmed. She didn't fly until I was
right there in bushes.
9 April
Banecraft along 4th. Field Nest C
No change at 0600. Still 5 eggs.
SE corner Fulton + Univ. Nest F
These birds not in nest today at 0645.
Probably left yesterday sometime.
Inside NW Corner Edwards Field, Nest 6.
No change.
SE Side Grounds + Blofsg Nest E.
No change. I think ♀ was on nest,
but am not sure. Very quiet if there.
10 April
Banecraft along 4th. Field Nest C
No change. Still incubating.
Inside NW Corner Edwards Field, Nest 6.
No change. But no bird yesterday or today,
but saw 1 bird close by.
at 1430, No change no bird on nest, but
eggs feel slightly warm.
Banecraft along 4th. Field Nest C
No change a little after 1830.
11 April
No change at 0600 today.
Inside NW Corner Edwards Field, Nest 6
No change, 0730. ♀ slid off nest quietly
while I was still some distance away. Eggs warm.