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
4
(17 April)
⑦♀195 [School Hill] Same as 194.
⑧♂ unbanded; possibly several other unringed birds.
As expected, lots of calling, chasing, etc. is going
on. Birds are constantly working over the trees for
acorns and occasionally come up with a piece or two.
Several mountings were seen, but the participants
were usually unknown. Everybody seems to be
chasing everyone else.
①
As for the mountings, I think ♀16 was involved in
at least one of them (they are brief, and posta probably
do not result in copulation).
1015. Everything is still going strong.
1033. Watching telephone pole. Mainly ♀245 and School Hill
juveniles here.
④♀92 [School Hill] seen.
Also seen: ♂195 [School Hill juvenile] mounting ♀245
atop telephone pole; no copulation.
1215. Males continues.
1230. A peak at the telephone pole yielded
⑩♀YRW#257 ["Pump" bird; origin unknown].
1600. More fighting. Saw
①♂261 [another "Pump" bird].
Took some pictures. It was clear that the 2 banded ♂
birds were doing more than their share of serious fighting.
The numbers of birds were down to closer to 10 or so;
I did see #195 and #245 again briefly, the ♂ hopped on to the ♀ again
when I did. Otherwise the intruders were primarily