Image from the Biodiversity Heritage Library.
Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
| www.biodiversitylibrary.org
Transcription
Vario belli
Nov. 2 Pitahaya, 40 km. SE Empalme, 100 feet, Sonora.
One noted in song, apparently a
migrant; none other observed during our
stay at this locality.
Data on seasonal occurrence in
southern Sonora are lacking (van Rossem,
1945: 213).