Image from the Biodiversity Heritage Library.
Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
| www.biodiversitylibrary.org
Transcription
Catharacta maccormicki
jalo at 'B's bill. B then stood tall &
choked up another moorl which was eaten.
B walked off few feet & sat. A. ate some snow
+ eat.
11:10 One bird just delivered challenge call
on wing. Did this with wings almost horizontal
in what appeared to be a normal glide
postion. Continued call as it landed then right out
challenge stand. Joined by second flying bird
with called, then stood, finally separated. One
flur off, second flur + landed again.
Same one bird land on ice hammock 100
yde out on bay + give challenge as it landed. No
other bird about.
Another pair too begging as I wrote
above. On big ice few yde. from shore.
One too begging, pohing at mouth of other. Other
bird down trying to renguited, turning + raising
head to avoid first bird. Both stopped.
11:30. One member of settled pair at
Narrow end of Solenay closed another out over
bay ice. Actually chase so as to close
gap between then glided around + returned.
No suggestion of upglide or ritualized boundary
display.
11:45 In right beneath eating something together
Pont lenow of steroa recomplicated or not. Howwery
both grabbed at + gave a momentary tug