Image from the Biodiversity Heritage Library.
Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
| www.biodiversitylibrary.org
Transcription
Dendroica townsendi
110
Oct. 21 El Batel, 5100 feet, Sinaloa
Observed repeatedly in the last week;
usually in company with other small
passerinei. This is one of the most common
compothlypids, although it is not as
abundant as Wilsonia pusilla.
Oct. 30 Pitahaya, 40 km. SE Empalme, 100 feet, Sonora.
An adult was observed in the brush
bordering a large laguna.
No fall records for Sonora (van Rossem,
1945:224).