Image from the Biodiversity Heritage Library.
Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
| www.biodiversitylibrary.org
Transcription
P. De Beeclelti
1964
Creagurs
Feb 18 Punta Suarez, Isla Espanola, Galapagos.
so went into a normal position. Extreme
postures was sometimes like
The 1st pair mentioned were standing together, one
nibbling on the rope and crown of the other.
The latter stood with the tail high, breast low,
tail down (1) and gradually went into a much
steeper posture, more extreme of its same,
then came out: nibbling continued for
a minute or so, always by the same bird,
then it quit and both birds preened the
scapulars and back feathers; shortly after the
preened bird went into a "sleep posture". -
postures -
(1) (2) (3)
The white base to the tail was quite conspicuous in the
sleep posture, and no obvious feather erection in
any of these. This pair has a 1/4 grown downy young
which I can see occ. over the ledge. A pair on the
level c. 6 ft from me were quite alarmed and occ.
go into an oblique with a call from the rest
posture. The neck is retracted, the bird horizontal
and forward and the carpus in; the body looks