Image from the Biodiversity Heritage Library.
Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
| www.biodiversitylibrary.org
Transcription
Melospiza melodia
28 April
3 Men's Fox Club, Vest H
L-1 5.8 gm, 8-14 Prim, 1.5 mm.
All primaries + secondaries out, but no other feathers. Eyes open a slit.
1855 L-1 7.5 gm, 8-14 Prim, 2.5 mm
No change from this morning except alula is out.
P-1 11.4 gm, 8-16th Prim, 7 mm.
All tracts show sheaths out of skin.
29 April
0655 P-1 11.35 gm, 8-19 prim, 9 mm.
Sheaths of rectrices thru skin. No feathers out of sheath. Holds head ups,
L-1 7.6 gm, 8-14 Prim, 4-mm
Sheaths on all tracts except head and tail are at least a little out of skin.
Except thigh feathers not out.
1850 L-1 9.8 gm, 8-24th Prim 5 mm
Thigh crown, + tail sheaths still not out... Keeps head off my hand part time,
if only slightly. Active in hand,
P-1 13.7 gm, 8-18th Prim 11 mm.
Many central feathers on both parts of tract, a few back, humeral, and 1 outer sec covert not coming are out.
Also a good no. of flank feathers out.
Rectrices sheaths to 2 mm
Both birds crouched when I went to nest.
30 April
0715 L-1 9.1 gm, 8-24th Prim, 7 mm.
All tracts except tail have sheaths there.
No feathers thru sheaths. Head rests on my hand.