Image from the Biodiversity Heritage Library.
Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
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Transcription
Remsen,
J.V.
1972
9 July
Curlew Sandpiper
edge of Voth Slough. We checked the other 5 nests
1100-1300.
N2: 4 chicks in nest. I collected and prepared
for MV2 by F.A.P. Wt. 8.0 g ♂
N3: 3 chicks, 1 hatching egg
N4: 4 eggs
[N5: unused nest cup]
N6: 1 chick, 1 chick hatching, 2 eggs
N7: 4 eggs.
Thus all nests are intact. F.A.P guesses the
incubation period on N1 will be 18 days, but the nest
camera film will give the story.
The female gives a sharp twittering call near the nestlings
which I don't recall having heard previously - possibly an alarm
note for the nestlings. Females varied in their boldness at
the nests, e.g. N3 female was extremely tame and even
darted at us as if to attack, but N2 only scolded us
from a distance. The amount and brightness of the breast
color was also variable [illegible] among the females.
1600-1700: Returned to all nests except N4 which
could not be located.
N2: gone
N3: 4 chicks, banded, weighed.
74-198301 - 8.0 g
302 - 7.9 g
303 - 7.8 g - still not dry - very
recently hatched
304 - 7.7 g