Support the extension
Niels Krabbe ( www.xeno-canto.org )
Where little brother Collared Dove is making strong progress, the Turtle Dove shows a steady decline. It is not clear why this is so. The Turtle Dove is certainly a much shyer bird than the Collared Dove.
http://en.wikipedia.org/wiki/Streptopelia_turtur
http://eol.org/pages/914622/maps