Image from the Biodiversity Heritage Library.
Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
| www.biodiversitylibrary.org
Transcription
Marshall, 1946
Aëronauts sapatilis
April 10 Life Sciences Bldg., UC Campus, Berkeley, Alameda C., Caly.
One swift heard at intervals all morning.
at 1 pm watched from lawn & saw it several times flying low and approach but not alighting at the Cliff Swallow resting sights sites in the eves of LSB.
April 10-12 seen daily. Stores reports two.