Image from the Biodiversity Heritage Library.
Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
| www.biodiversitylibrary.org
Transcription
Remsen,
J.V.
1973
Vaux's Swift
Chaetura vauxi
Sep.25 Pt. Diablo, Marin Co., Calif: 250 -> SE east "Cross" Hill
and "Bunker" Hill) in flocks of 75,45,40,25,20,20,
20,5. Silent