Acorn woodpecker species accounts, v4442
Page 77
Image from the Biodiversity Heritage Library. Contributed by Museum of Vertebrate Zoology, University of California, Berkeley. | www.biodiversitylibrary.org
Transcription
1976 Walter D. Koenig Melanerpes formicivorus Plague (19 April) some squire (begging as well (source?) 839. One of the ♂ displaced/threatened the other, presumably the intruder. The former greets the 2 ♀ normally, 840. An AW called up by Hastings cottage; hid for 15 seconds while karnit cutting several times, then flew off toward MacRoberts. 845. Are 2-3 intruders here now, apparently all ♂. Birds now in sycamores and live oaks at creek. 850. There are still 1-2 extra birds here, and a low but regular series of displacements takes place. But in general most interactions are positive, among the 3 group members. The extra ♂ are rather peripheral to the entire business. 900. More of the above. My guess is that no permanent changes in the hard core group are imminent, though it's always possible that one of the odd ♂ might make it eventually. 20 April Lots of activity and birds here all day, but I didn't watch today. 21 April Saw the 2 ♀ in passing. I watched for awhile in the mid afternoon sans scope, and though the birds were flying around alot I didn't see any chasing or evidence of intruders. One thing, though, was that the birds clearly seemed to be sapsucking in the tree by the lab near the '75 nest hole. 22 April 900. Finally released ♀262, whose powers of flight now seem normal. She flew to the creek area, and was soon