Image from the Biodiversity Heritage Library.
Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
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Transcription
Field Notes
D.A. Bell
June 10, 1990
1.5 hours until 15:30. Wayne got 2 I'd - some as last year, but
the tailed flew in strong winds (a glided over our heads, often stationary)
for the whole time. We find again site on well-grown shelf
cs. 30' down on other SW facing side of gorge. At least 2 chicks
visible, and they are younger than any others so far. This site had
1 chick in 1989. Falcon sat well-screening, she made many close
passes in gorge as Wayne went over side @ 16:00. I got
good pictures of both ads sitting. Traced two wide malar, ear patch
filled dorsally by light gray feathers and a couple darker flecks at
run of patch - one of which is large (its one in front of other).
Light, irregular patch proceeds nearly up to level of upper mandible,
and has a small finger in two-side eye. Next by a large ear patch
is filled dorsally from nose down to about 1/2 length of malar
stripe (all left side description). Filled part of ear patch somewhat
resembles Vietnam. He has two faint lighter patches between
eye & cere on left side of head, one close to eye, one close to nostril.
Right side similar, but less distinct distinct. Almost no band
of lighter feathers above cere. 3 chicks? All tailed! The adults
seem to have both very raspy voices. Their kee-kee-hehe seem
to have a rasp to them. The falcon is a beautiful bird -
very slate blue & white. She has lighter flecks fifth behind the
car patch and on the nape. Her band of light feathers above cere
is also well pronounced. From the side her flanks & breast present an
almost specker-like pattern - as the breast of a European Gerhamb. Her
longjointed bands are thin and long on flanks. The wide flecking
on her flanks go all the way up to her shoulders, and present
a neat appearance across the breast & belly. Her tail has thick