Image from the Biodiversity Heritage Library.
Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
| www.biodiversitylibrary.org
Transcription
Zema sabinei
10June Meade River Coal Mine, 157°25'W, 70°29'N, Alaska
5 birds feeding with h.T. Jaegers on garbage behind
the village. Some aggressive display noted.
Upright posture weed full down saw 1-2 hairs
In rest post the rope is white.
a silent, almost hummocked posture seen by one bird
supplanting two others. The whole profile horizontal
and rounded.
A very aggressive bird went into an
upright calling "Kwak Kwak Kwak"
when another will beat up to it
A long call given to a 3rd bird flying up to flee a
pair was:
Kwoek
Kewak kewak kewak
alter
posture (like rest but caps out).
The flight calls are a few like "Kwosow" or "Kywow"
No interaction with the jaegers.