Image from the Biodiversity Heritage Library.
Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
| www.biodiversitylibrary.org
Transcription
1983 R.L. Mumme
Melanerpes formicivorus
Blom 1
17 Jan
* * GROUP UPDATE * *
① J831 disappeared 27 Sept 1982 ± 1 month
Last seen 31 Aug, Gone 230ct.
20 Jan Granary census from blind. 1345-1545. Complete
census, ♂492, ♀649, ♂830, ♂832 all seen well,
but a pretty slow watch, all in all.
1 Feb Granary census 1000-1200 (countas 11-1300). Very
slow, (cool breezy (but sunny) AM). Only ♂492 an
a ♀ (assume ♀649) seen, but both stored an acorn each,
4 Feb Good granary census, 0920-1020. All 4 birds seen well
21 Feb Granary census, 1030-1230: Details below:
1030 nobody
35 ♂8492 EA
40 ♂492
45 "
50 nobody
55 ♀6492 ♂832
1100 ♂492
05 ♂492
10 "
15 "
20 "
25 "
30 ♂492 ws | ♀649
1135 ♂492 wh ♂830 ws ♀649
40 ♂492 wh ♀649
45 ♂492 ws
50 "
55 ♂492 | ♀649ws
1200 ♂492 wh | ♀649 EA
05 ♂492 wh | ♀649
10 ♂492 wh | ♀649
15 "
20 ♂492♀649
25 ♂492 EA ♀649 ♂830
1230 ♀649 ♂830
defense 1050 Nuthatch ○ (nobody acorn-a)
1055 Nuthatch ♀649 2
1125 Unid Pas, ♂492 1
1143 Yellow-rumped ♂492 1
→ dominate, 1130 ♂830 flew into granary. ♂492 approached
him then pecked ♂830 several times, ♂830 chattered
and moved away. Otherwise, routine watch. All four
birds seen well. Saw ♀649 fly in with a acorn
once, so they still may be harvesting acorns.