This guide is based on wikipedia's list of birds of Germany with accidentals removed to keep the guide under 500 entries.
The Eurasian Collared Dove (Streptopelia decaocto) most often simply called the Collared Dove, also sometimes hyphenated as Eurasian Collared-dove is a species of dove native to Asia and Europe, and also recently introduced in North America.
The Turtle Dove (Streptopelia turtur), also known as the European Turtle Dove, is a member of the bird family Columbidae, the doves and pigeons.