The Bluethroat (Luscinia svecica) consists of (at least) 10 subspecies that differ most strikingly in the ornamental colour pattern of the male throat.
The southern group of subspecies usually have a white throat spot or no throat spot.
The northern group of subspecies usually have a red (chestnut) throat spot.
The subspecies Luscinia svecica svecica (Red-spotted Bluethroat) of northern Europe and northern Asia, has a red spot in the centre of the blue throat.
The subspecies Luscinia svecica cyanecula (White-spotted Bluethroat) of southern and central Europe, has a white spot in the centre of the blue throat.
The subspecies Luscinia svecica magna in Turkey has no central spot.
Hortobágy-Halastó, Hortobágy National Park, Hungary, 2 May 2019