Image from the Biodiversity Heritage Library.
Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
| www.biodiversitylibrary.org
Transcription
R 74
1963
C. alpina
17 June Barrow, Alaska
Nest located on edge 28' polygyn - in Clump
of grass, which was surrounded by mossy
lichen. The eggs were 40% covered by over-
hanging grass. No bird was displaying
in the immediate area. Nest count was
one bird near 10.4.
A nest was located 10' SO / Stake 4,02
Trophy 6 - Beeler Key. Pitfall trap.
- Incubating bird - jumped off a
nest + flew 30'. Could not
see eggs while egg's sweet book-
giving the louder singing bird is
heard &. - 4 eggs - located -
grass-polygyn (1') - eggs - 57% covered -
cup-grass block - lined.
Very little display activity was heard
in the evening. Two male songs from
birds along the beach ridge.
18 June 2 Nests (#6 + 7) - 1 hour SE 1 South's alt (apt)
are 20 yds south of the lagoon - both had
4 eggs & 87% were incubating. One (#6)
was on a tall ledge - covered polygyn-
eggs 96% covered. #7 was in tall
grass - 70% covered, eggs
19 June Bird hard to locate in breeze ridge -
Never a pair found - trap
near SE 1 Mox. Stotia - no nest -