Image from the Biodiversity Heritage Library.
Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
| www.biodiversitylibrary.org
Transcription
1957
Calyptra anna
21 July Queens Rd, Berkeley
July 1 & 10, a young male appeared
and sang for 10-15 minutes from a
clothes line, about 75 feet from the 1st
bird mentioned above. The latter did not
respond. Bird 2 was an immature indi-
vidual, giving the weaker, hoarser
song of that age group.
Intermittently since July 1, there
has been activity about this second
fuchsia bush, but only since about
July 15 was a bird regularly present,
this was a young male, possibly the
same as seen earlier (though unlikely).
On July 20, this male, observed closely
with 8x glasses, proved to be in a
late stage molt, the gorget being
advanced in growth & new feathers,
though the slightly ruffledness of the
scales and lack of consistent color
& texture indicated that usually the
feathers were still growing. The bridelock
red behind the eye was already clean,
smooth w/ normal sheen (i.e., molted
earlier, as denoted by Williamson).
This young male's usual note
was the "keep" note of fledglings.
It would be given several times at a