These Hermit Thrushes (Catharus guttatus) were two of at least four birds seen at the Halff Brothers Ranch in Frio county, southern Texas on January 17, 2010:
This first individual looks like a standard eastern-type (faxoni group), in that it has a buffy flank wash and warm brown upperparts:
NOTE: the following two images are the same composition, but with different focal points:
The second individual seems to be a good fit for the Rocky Mountain form, auduboni, in that it has a cold gray flank wash and grayish-olive upperparts (compare to image above):
