Image from the Biodiversity Heritage Library.
Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
| www.biodiversitylibrary.org
Transcription
Patelka
1947
Buteo jamaicensis
May " Woolsey Canyon.- four attempts observed at aerial food transfer between members of a pair.
The larger of two held a snake which the smaller tried to receive but without success,
at least while I could see them. There was no question about size difference between the birds;
thus, male receiving food from female.