Image from the Biodiversity Heritage Library.
Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
| www.biodiversitylibrary.org
Transcription
Remsen,
J.V.
1974
Bewick's Swan
Olor bewickii
for several seasons,
possible hybrids?
Bewick x Whistling
Although the possibility of an escape probably can never be ruled out com-
pletely (regardless of results of an avian check), this bird certainly met
qualifications for being considered wild -- right time of year, migrant flock of
wild Whistlings, no visible signs of pinioning or cage wear. If this individual
is not considered to be a valid record because of the possibility of escape,
then no Bewick's Swan in North America should ever be considered a
valid record (except in Arctic).
Jan. 20 Other people visiting Hog Lake saw three white-billed immc. similar to the one
diagrammed on the previous page,