Image from the Biodiversity Heritage Library.
Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
| www.biodiversitylibrary.org
Transcription
Holmes, R.
1960
28 June Wainright, Alaska
Several pairs & numerous 8? were
noted at Wainright from the flight
from Barrow.
29 June Barrow, Alaska
Several malm seen between The
beach ridge
30 June Skravik, Alaska
Two 8? seen on the pond near the
wanigan. When flushed, they flew to
a good pond beyond it. It seems
that 8? may now be gathering &
leaving the 4?. In the evening a pair
was seen courting near the south end
of the plot. Both the 8? & the 9? were performing
the head jerk. The 8?, however, seemed
to be going at it more vividly, especially
since she had a up/down movement
combined with a forward/back motion.
The 8? seemed to just sweep her
up/down without raising the bill
above the horizontal. Usually after
several seconds of head jerking, The
8? would chase the 9?. She would then
jump on him & close him. If this
worked, the 8? stood very
upright with neck stretched upwards
and waddled after the 9? until she