Image from the Biodiversity Heritage Library.
Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
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Transcription
P. PEARSON
1952
proto (cont)
Before the parent left, while it was gone, and after it returned. The piping was within 50 yards of the nest. Before the parent left the nest it pushed feathers over the eggs with its bill.
Yesterday the eggs were arranged in a pear shape. The evening feeding lasted 1 hour.
at the end at this time the weather was rain,
temp -39°.
Shot a lone g high up on the hill. She
was calling vigorously, a slightly more
drawn-out, descending call than mast.
March 8 Up to nest at 6:20 a.m. Bird left at 7:45 but could not
see if it were marked one. I walked to top of ridge, then flew
with a few squeds down the gully about 150 yds. For return
etc. see AKP notes. Began watching again at 8:30 p.m. Bird left
at 4:00 p.m. and walked down gully to base of opposite hill about
200 yds from nest; another bird had been calling for about 5
minutes when this one left nest, the calling soon stopped.
Nesting bird shook feathers a few time 50 yds from nest, then
stopped to preen for 5 minutes when 200 yds from nest.
Then I lost her. Later heard flight squeal in that direction.
When she left nest mothered just clumped up, temp. in clump
of grass surrounding nest 12° at 5:00 clump and air temp were
8°, windy. Went down to nest at 5:00 to study egg, all eggs covered
by feather except 1 which was partly exposed in center of nest.
Ruled hole within one and its temp. was 22½°. Temp. under
nest clumps 8°. Friedense hatchy chicks just getting down - large
eyes. I would guess another 5-7 days to go. Parent returned