Image from the Biodiversity Heritage Library.
Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
| www.biodiversitylibrary.org
Transcription
Sialia mexicana
102
Oct. 20 El Batel, 5100 feet, Sinaloa.
A loose flock present in an open stand of
oaks and juniper bordering a large clearing.
Also observed flying overhead in small numbers
in the past few days.
Nov. 6 Casita, 40 km. S Nogales, 3300 feet, Sonora:
One injured and observed closely, but not
caught, in open woodland along the ridge
west of camp. Another also seen at the same
time and place.
definite
But one record from Sonora excluding
the breeding period (van Rossem, 1945:203).