Image from the Biodiversity Heritage Library.
Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
| www.biodiversitylibrary.org
Transcription
Marshall (1942)
Muscivora forficata
San Salvador made a striking
picture like corn popping
or a geyser of birds.
May - none present.
Flight halting and
zig-zag. Absolutely no
organization as flocks.