Image from the Biodiversity Heritage Library.
Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
| www.biodiversitylibrary.org
Transcription
Holmes, R.
1964
C. bairdi
12 June Barrow, Alaska
Display at 200', 75', 100', 250' - call (sing) oft
stark call c sing 4-5 sharp, short
flute notes - followed by several non
trilled - not quite so sharp -
De twang hier
art, art, art, des-des-du eeeelll
-call note somewhat disturbed - a verse 1 two
intro note - a shape "bdrdt, bdrdt,..."
Display landed- folded wings - as another bird flew by about 20'
away, The bird on the ground first
raised one wing then the other & both
both were up & then the tail was cocked
to 90° - gave full note of the resonant
feeling.
Later - 2 see near AACS - air bob.
Similar to that described for repair per Metapline
(at nest #1) - An aggressor was on a
upright posture. Tail was depressed & partially
fanned - Right wing was at vertical -
The left or kept foot burning as we
folded tail forward as she moved
slowly 1/4 mile then shuffled and
waved 1/2 again. She paid no
attention to another 2/ feeding.