Image from the Biodiversity Heritage Library.
Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
| www.biodiversitylibrary.org
Transcription
1980 R.L. Mumme
Melanerpes formicivorus
Plaque
(10 April) with ♂473 ♀1455, a big mounting exchange between
2 birds, one a good looking copulation, but I couldn't
see any bands. 1502. A good mounting copulation
between ♀496 and ♂473. She mounted him briefly
first, then he mounted her for 3-4 seconds, good
tail twist, cloacal contact. Shortly after, ♂521 chased
her again! He still don't like her! The ♀s here
walk with drooped wings, raised tails. Seems like
a definite invitation. 1530, Another good copulation mount
[illegible] between ♂473 and ♀496, I just saw the
tail end, foot good contact 3-4 sec duration, etc. 1548 ♂521
1555, [illegible] ♂521 chases ♀496 again. He seemed to
have disappeared for awhile 1605, Yet another
copulation by ♂473 + ♀496. Cooper's Hawk
flies by at 1616. 1611 A quickie mount
exchange (no cloacal contact) between ♂473 and
(this time) ♀494!! 1615, ♂473 chases out hatch
End 1640,
11 April
Start watch 0600 ♂473 and the 2♀♀are definitely associating.
♂521 is not getting involved. 0625, [illegible] making exchanges with ♀24 w/ ♂21
retraction, 3 more chases of ♀496,
Still not completely happy with her.
However, he is chasing her less than before. ♀496 flew to the
other 3 birds, walked with raised tail, drooped wings. She
looks ready, more ready than ♀594. 0655, ♀496 flies to
[illegible] ♂473 + ♀494, another prolonged copulation. She mounting
him briefly, then ♂473 mounting ♀496, prolonged (4-5) sec