Image from the Biodiversity Heritage Library.
Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
| www.biodiversitylibrary.org
Transcription
Feb 3 Univ. Calif. Campus, Alameda Co., Cal.
Confinement took all the fat off all of these
birds since they are all very [illegible] light.
Bird 36- accidentally killed with ether.
f, leg, wing, bill, bursa saved; bursa
large, gray fleably, 30 mm long. This
bird was shiny like the preceding one.
No examination made for parasites.
Lake Tamescal, +20ft, Alameda Co., Cal.-
At least 3 of the known red birds
are apparently still present. W|BL q/2 a
still [illegible], and another bird that
has lost its tag, pin and all, is
staying close to W|BL. Five unclipped,
unseved birds released about 1 p.m.
3 of them immediately flew to the S
end of the lake, while the other two
remained near the dam. The two birds
having territory there made several
charges at these birds, but just
when they'd get close enough to peck,
they'd see the tags and wear off. After
about five minutes they were
still staying close by the intruders
but had not yet pressed home an
attack. Two of the other tagged
birds immediately joined a flock of
tagged birds and started
feeding on grass out of the water.
At least 3 pairs are defending
territory and maybe more are.
Defense is active and encompassing
sizable areas. Each of the birds
defending territory has a swollen