Image from the Biodiversity Heritage Library.
Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
| www.biodiversitylibrary.org
Transcription
Journal
Summary Feb 27 - Mar.10 (Cont) 18
2 & Bell @joSagera, Chihuahua, 5000 ft.
1963 White Crowned Sparrow 5-70 each day
Lincoln Sparrows - 1-5 each day
Song Sparrow - 1 (collected)
Pine Siskin - 1 in cottonwood over camp.
Pyrahuloxia & & feeding on
cactus fruit at 5500 feet in
canyon above Parritas.
Note. White-crowned Sparrows, Black
throated sparrows, Linnetts and
House Sparrows have been
observed (with binocular) feeding
on the female catkins of cottonwood
growing over our camp.