Acorn woodpecker species accounts, v 4455
Page 413
Image from the Biodiversity Heritage Library. Contributed by Museum of Vertebrate Zoology, University of California, Berkeley. | www.biodiversitylibrary.org
Transcription
1981 R.L. Mumme Melanerpes formicivorus Lower Arnold 2 Hastings Reservation 6 Feb Start watch 1045, Trying to figure out who's here. 1200, Most assuredly a ♀NB here. She flycatches from granary + the Valley Oak east of the granary. At one point, alarm calls given (by A1 birds?) she flies to the upper roost hole, enters, and stays several minutes. Two other birds also here, one of which is certainly an unbanded ♂. The third bird (I saw all 3 in the granary appeared to be ♂ and appeared to be banded, Perhaps the 1st yr ♂ (now orphaned) 611? I'll need to look more closely. 7 Feb Start 1030. 1045 everything looks clear. ♀NB, ♂NB, and ♂611 DBLue-wht/ Lbrn-white all here, and they all look quite cozy. Very interesting. It's difficult to see how ♂611 could be related to either of this birds, as ma (♀507) and pa (♂610) are both gone. All 3 together in granary, Valley Oak perch tree, etc, with no sign of any ill will. Even walks between the ♂s. End 1120. 12 Feb Some action here while watching roosting, ♀ Red/Red M/ from A1 intruding (persistently) and chased (persistently by an unknown LA2 resident (either ♀NB or ♂611, probably not ♂NB). They were going at it persistently chasing each other around in the blue oaks behind the granary (about 1730) when an alarm call went up from somewhere, and the two birds froze, only 1m apart, in a tree behind the granary. They remained motionless for 10-15 min. Roosting, two birds in the back hole, one (banded?) in the granary high hole,