Image from the Biodiversity Heritage Library.
Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
| www.biodiversitylibrary.org
Transcription
Howell, T.R.
1949
S. v. daggetti
Crowder Flat, 5200ft, 38mi. NNW of Alturas, Modoc Co, Calif.
June 28 (cont'd) - 8:42- A young bird comes out, flutters to ground at base of N asp, and seems to coax it up the trunk of the N. asp, hitches about, cheeping and begging, N2d very attentive, squkting, feeding often, stays near for 4 min, then to E. others still in, but one with head out, few screams. 8:45- all silent. 8:46- young half out, withdraws. 8:47- W-1- N.asp, looks at but does not go to young, E. 8:48- E- N. asp, squks- to nest, -1-W! The "out" bird picks at N asp- a dead one- 2ft above the ground. 8:49- W-1- N.asp, to young, does not feed, then to W, making soft sqwks on wing, flying slowly. "Out" bird silent, picks at at rotten-looking spot. Other young alternately noisy and silent, head of one out; mostly cheeps, some screams. 8:57- "out"- hitches up to 4-5 ft high, picks, sits. 8:59- E-1-N asp, sqwking, x-wise, "leads" the out young to the next asp, up to 6-7 ft high. 9:01- E-1- N.asp, E. Young comes half out, withdraws. "Out" to 10ft, picks. 9:06- head withdrawn, young noisy. 2 screams from "out" bird 9:08- W-1-W; ignores "out," who has hatched 2ft higher. 9:14- young still noisy, withdrawn; sun out but pale through haze; cool wind. Out bird preens, now taps on bark of healthy aspen. 9:18- head out, loud bill-popping from within. 9:19- W-1- N.asp - sqwks+yelps, much x-wise perching- "out" works toward n2d, fluttering and x-wising, flutters to another dead N. asp, few screams, cheeps. N2d to W, squking. 9:22- W- N. asp- nest-1- W. out has hitched to 15 ft. 9:24- W- N. asp - sqwks, may feed out-call it #1- not to nest, to W. 9:26- NE- N asp below #1, to nest-1-W. 9:28- #2 2/3 out, pulls back in. Now from W-1- to big espine 15yds W; #1 screams, n2d yelps, to #1- sqwks, n2d back to pine,