Image from the Biodiversity Heritage Library.
Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
| www.biodiversitylibrary.org
Transcription
1981
VASSO R.L.
Mumme
Melanerpes formicivorus
Road 3
4 Dec
Counted stores, 1000:
Valley Oak 460
Sycamore 1150
Total 1610
14 Dec
Granary census, 1050 - 1250. A little bit of storing activity
(Live Oak acorns, of course). Also, birds are still doing
a bit of excavation on the hole overhanging the road.
I'm afraid they may be serious about nesting there.
Complete census, except ♂708 + 709 (ad 68)