Image from the Biodiversity Heritage Library.
Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
| www.biodiversitylibrary.org
Transcription
I.B. Hamilton
1965
Spizella arborea
June 12 Barrow Alaska - A Tree sparrow was seen feeding
in the exposed tundra along the Beach Ridge. This bird
was examined at 20 yds. The spot in the breast
could not be seen.
June 13 A Tree Sparrow was seen feeding in the tundra on
the NW side of Family Lagoon. This sparrow was seen at
close range and the spot in the middle of the breast
was evident. This bird was about 1 mi. away from
where the one was seen yesterday.