boujlida@hotmail.com (robin russell) sent this comment:

Eurasian Collared-Dove

Nowhere I have checked gives the most definitive way to tell a collared from a domestic Ringed Turtle-Dove. Pure wild collareds have (on the outer vane of the outer tail feather)a dark color which extends past the light band at the tail's tip. Domestic doves have this vane light-colored with dark only at the base where it is not visible unless the bird is in hand. This is a reliable field characteristic visible with binoculars (assuming the bird is not moulting). The pattern resembles a two-pronged fork under the tail in a wild Eurasian Collared-Dove but the domestic Streptopilia risoria(=roseogrisea) lack this pattern. I also have S.roseogrisea desended from Arabian imports and kept pure for the last 40 or so years and they also lack the forked pattern. This field mark may be helpful in cases where the birds are not calling or cannot be approached closely.

duckkcud@ldl.net (Charles Duck) sent this comment:

Eurasian Collared-Dove (Streptopelia decaocto)

There is an appreciable colony of these delightful critters in Pine Mountain, Georgia. I first observed them 4 years ago in late summer. The mating dances are particularly entertaining. They seem to prefer blacktop streets. I have observed them doing their peculiar dance and making mating calls while feeding under oak trees on acorns that have been crushed by traffic.