Subspecies: ?
3cy+ male. Looks like it has some orange feather on the side of the head which makes it a 3cy bird. If it is dirt of some kind it has to be an adult in stead of.
Subspecies: ?
Adult female. Very pale bird in molt. Without the broad wing bars one might get the impression that it could be another finch, but this is excluded simply by the heavy bill.
Subspecies: ?
Adult female. Probably the easiest finch to identify in Mexico. The big triangular bill is unique. The female is warm-toned light brown and normally shows two broad orange-colored wing bars. Also unique.
Subspecies: ?
Adult male in alternate plumage with some bright fringes throughout. Seriously deformed bill. Can't say defect because the bird seemed to do fine, finding and consuming seeds constantly. To imagine how such a deviation from the normal could be the beginning of a new tribe within the species, being able to consume other seeds or food sources than the normal looking birds, which could lead to a better survival capacity, or the opposite...