Image from the Biodiversity Heritage Library.
Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
| www.biodiversitylibrary.org
Transcription
Epanthemops rossi.
apparently an adult had a comparatively smooth
base to the upper mandible.
March 13, 1909.
Some of the Ross's Geese keep up a low
conversational clucking. One in particular,
a bird with an almost smooth bill, does considerable of this clucking, shaking its whole
body at the time.
March 17, 1909.
The Ross's Geese have been very restless
for the last three or four days, flying
about and banging the wire (that is those
that are not pinnioned).
March 18, 1909.
Of the eight Ross's Geese which I now have,
none seem to show any rusty orange color on
the feathers. So far as I can see, none of the
birds with rough bills do any clucking.
March 21, 1909.
Of the eight Ross's Geese five have very warty
bills and may prove to be males. I have heard
and seen them make a low moaning sound.
Three of them the birds have smooth bills, and
two of these I have heard and seen clucking. The
third is an immature bird; today I saw it