Image from the Biodiversity Heritage Library.
Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
| www.biodiversitylibrary.org
Transcription
Behle
1934.
Berkeley, Alameda Co., Calif. MVZ - UC.
Aug 3
1/2 mi. S. Byron Hot Springs, Contra Costa Co., Calif.
[2nd of the year]
♠ 464 Otocoris alpestris actia 25.5g.
Left wing: Primaries 9+8 old, 7 3/4 grown, rest
new. Secondaries 1-2 new, 3 fallen + no
sign of replacement, 4, 5, 6, old, 7+8 new;
9 fallen. Alula old. Primary coverts 8+9 old.
All other wing coverts new. Right wing
same except secondary No 8 also fallen.
Tail: Inner pair rectrices 1/2 grown +
grade down to 5th pair which are
still entirely sheathed. Outer pair old.
4 upper tail coverts grade down from its
center ones which are as tall as the
middle pair of rectrices. 4th or outer pair no
sign emerging from sheath. Under tail
coverts new & practically grown. Crissum
new. Rest of body plumage new. Head
new except for a few jivial feathers on
the upper neck & base of the head - so
then a bird of the year.
♥ 465 Otocoris alpestris actia 31.2 grams
Old bird with molt nearly complete. 8th
outer primary one third grown. All rest
new except outermost 9 which has dropped
out and there is no evidence of a new
feather growing there. Secondaries 1, 2, 3 new;
4 half grown, 5+6 old, 7, 8, 9 new. Tail.
Inner pair practically full grown. Rest