Field notes, v1752
Page 273
Image from the Biodiversity Heritage Library. Contributed by Museum of Vertebrate Zoology, University of California, Berkeley. | www.biodiversitylibrary.org
Transcription
July 28. The rain was on and off all morning and into the late afternoon. A few crossbills were encountered during the dry periods, all recorded on tape 56A. Mainly those appear to be lone males, likely on their way to feed their mates on nests or to forage. A lone bird appeared at approx. 12:30 pm and was giving type 2 calls -- this bird was captured and found to be a late-aged juvenile male. The pattern continued throughout the afternoon, and there were heavy clouds in the sky throughout the afternoon. At 6:30 pm a female appeared (alone) from the S, tape- recorded pre-capture. She gave type 2 calls, but was measured to be the size of type 1 or type 4 birds. She (bird 354) had a brood patch and was found to have a large ovary and enlarged follicles, with 3 or 4 follicles approximately 2mm in diameter. This female was kept overnight, as was bird 358. It rained at night, but the rain ended. July 29 The pattern of occasional Type 2 birds (mainly males giving song then flying into the tall ponderosa pine at the campsite. The