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
8
4
(19 April) between the ♀ and ♂261 in the telephone pole (!)
940. Birds are beginning to hawk steadily (it is quite
warm and sunny out).
1000. The 5th bird apparently is not ♂22, the 2nd year ♂
here. I watched carefully to 1000, seeing the same 3
banded birds over-and-over, as well as the unbanded
♂, who could never positively be shown to number 2.
Nonetheless, it seemed clear the ♂22 was not here, while
the 5th bird was - and most likely was unbanded.
At one point one of the unbanded ♂ was seen to move his
bill and make soft squeak noises - surely he, at least, is
not the former adult ♂ here!
1003. Flash - both unring ♂ just seen together in the boarst.
Oh boy.
2 April
1115. At Lower Barn.
1117. ♂259 in locusts standing bark gleaning.
1119. ♂261 just landed here also
♀16 and ♀ running now here too.
There is a fair amount of calling (wkeas) and flying here,
but at least at the moment activity level is not extraordinarily
high.
1127. Birds have moved over to the storage area.
1134. Two intruders, an unbanded ♂ and ♀, were in the locusts
briefly; flew out immediately when other birds returned.
Flew up toward MacRoberts.
(1140. The ♀ and an unring ♂ performed a good "copulation":
the ♂ fluttered on the ♀ for a few seconds, hopped off,