Field notes, v569
Page 555
Image from the Biodiversity Heritage Library. Contributed by Museum of Vertebrate Zoology, University of California, Berkeley. | www.biodiversitylibrary.org
Transcription
Cogswell 1950 Piranga ludoviciana 1 June 17 near Sugar Bowl Lodge, 7000 ft., 1.2 mi. SSW Donner Pass, off Placer Co., Calif. - common in conifers, even over dep snowbanks, but few singing (on 17th). June 19 & seen carrying West material. Songs of males still infrequent. (snow still everywhere in forest). Singers more numerous on 20th. June 21 "Sugar Bowl", 7200 ft., 1.4 mi. S by W Donner Pass - about 5 seen in 2 hour walk thru forest & cleared ski slopes, 2 singers, 1 of which males was seen feeding a female. June 22 6950 ft., 3/4 mi. E Soda Springs, Nevada Co., Calif. Pair seen copulating, the ♂ interrupting his singing & flying to ♀ (perked near him) she quivered her wings & raised her head. They were in the upper branches of red firs at border of fir - lodgepole pine forest. June 23 N side Bear Valley, 4950 ft. Nevada Co., Calif. - Several (>5) seen & heard in immense cedars, yellow pines, & black oaks near large grassy meadow. June 27 Valena Cr. Camp 6600 ft. Carson Range, Washoe Co., Nev. 1 pair seen in dense Jeffrey pines, white firs, & black cottonwoods near turbulent stream. July 3 near Sugar Bowl Lodge [see above]. - a nest discovered with ♀ apparently incubating. It is about 50 ft. up & a good 6 to 8 ft. out from trunk, saddled on a horizontal branch of a lodgepole pine just at the point where this branch bends abruptly upward thru about 30°, Staghorn lichen is used