Image from the Biodiversity Heritage Library.
Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
| www.biodiversitylibrary.org
Transcription
Crasquins
Feb 18
Punta Suarez, Isla Espanola (Hood), Galapagos.
Spend some time watching a small group of Crasquins.
2 birds sitting together on a ledge, each preening
itself, when one stopped, pulled the beak in,
and tossed the bill up to vertical, 3 times, then
continued preening. No reaction from the other
birds. At the top of each toss it gave a soft "whew"
call. Another bird carrying a small pebble in its
bill circled slowly down to the cliff
the wing 1/2's open and feet dangling,
first calling a rough well