Image from the Biodiversity Heritage Library.
Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
| www.biodiversitylibrary.org
Transcription
W. J. Francis
1964
California Quail
Jan. 15. Strawberry Canyon, Alameda Co.
0855: Following birds taken in trap
#2, in edge of Baccharis, outside Behav.Sta.:
Recaptures: *56669 Adult ♂
*56698 Adult ♂
*18389 Adult ♂
*56691 Imm. ♀
*56699 Imm. ♀
56683 Adult ♂
*18384 Adult ♂
*18391 Imm ♀
*56670 Adult ♀
First captures: 18366 Imm ♀
18365 Imm ♀
18364 Imm ♀
Summary of Jan. 11-15 recaptures,
based on 34 birds marked Jan. 9-10.
Marked recaptured - 17
Unmarked - 23
Population estimate: 34 × 40/17 = 80.
Total marked (Jan. 9-15) population
for future calculation.
Adults: ♂ - 11 ♀ - 3
Imm.: ♂ - 16 ♀ - 27
Total: 57 - 71% of ed. population.
Plus 30 birds banded prior to
Jan. 9, 1964, and not recaptured
in this trapping cycle.