Acorn woodpecker species accounts, v4456
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Image from the Biodiversity Heritage Library. Contributed by Museum of Vertebrate Zoology, University of California, Berkeley. | www.biodiversitylibrary.org
Transcription
1982 R.L. Mumme Melanerpes formicivorus Knoll Set 29 Jan I must finally acknowledge the existence of this group, even though they have no granary, as far as I can tell. Also, I successfully ambushed here in the old hole in the sycamore below the Y, catching 8564 and an unbanded 9 which became 9715. 9715 seemed extremely weak when I let her go, feebly flying to a willow. She did fly out of there more strongly after a while, so I hope she'll be OK 31 Jan 1500, Alan + I saw away many of the branches that have overgrown the old Pump artificial granary branches, and install about 35 mixed Valley + Live Oak acorns. A little experiment to see if we can get the knoll birds interested in the Pump area. We also install a fallen Gate branch w/ ~50 acorns and ~ 100 usable holes, to sweeten the pot. We saw 3 birds around the Knoll and lower sycamore, so everyone should be around. 1 Feb 1420, Quick results! I walk back here and find 3 birds in the Pump granary! 9715, 8564 here for sure! Working ucorns! Moving them around! 8564 even shagged a jay out of the granary Also a third bird I saw as 9 Dpkr/m, probably 9193. She was here only briefly. 9 NB not around at the moment. 18 Feb A quick look here, 1700, I find 8564, 9715 Lgnc-DBlue/M and a bird that I thought was 9 but read as Yellow/Blackt (8561?). However, it looks like the birds are now totally ignoring the Pump granary. All the acorns were gone as of ~ 10 Feb, and I haven't seen the birds there since 1 Feb They are back to hanging around the knoll.