Image from the Biodiversity Heritage Library.
Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
| www.biodiversitylibrary.org
Transcription
RTB
1964
S. alpina
7 Jan Barrow, Alaska
Mild cheeing & N.B.R. drought, with
at least 3 pairs for 4 barrels
Wh-v. sector. - I NEST with 1 egg
found about 100 yds west 14 barrels-
12. Shaped
caps not well formed - but contains
nuts fluke and one egg
8 June Nest contained 2 eggs at 0800 - no Sign of
adult while I was in care (0820-1130). -
i not in attendance.
9 June Nest contained 3 eggs at 1000 - an
adult was in nest some 20 minutes
but flew off when I was 100 yds
away & never returned me
"complained" - while I was - the eggs
were not warm to the touch-
alpha - not very cold cells - last
angle + Two morning temps were below
freezing - so the birds may unwork
or at least care eggs at the stage
3 eggs at 2030.
10 June Nest had 4 eggs - 2 incubating (at 1000) - gave
mild des fr. display -(hundred m)(faint formed).
13 June One pair on N.B.R. between Dvenant +
gasline - lot not seen 4 barrels,
none to the north of the ridge. Very
few display blood today.