Field notes, v4149
Page 105
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