In the absence of a report from the Czech Republic for this taxon, surrogate data were provided by ČSO / BirdLife indicating a breeding population of 670–800 pairs, with a fluctuating trend during 2000–2012 and an increasing trend (83–395%) during 1982–2012, plus a winter population of 1036 individuals, with a fluctuating trend during 2000–2011 and an increasing trend (100%) during 1980–2011.

In the absence of a report from Greece for this taxon, surrogate data were provided by the Hellenic Ornithological Society (HOS), the BirdLife Partner in Greece, indicating a breeding population of 20–40 pairs, with a stable trend during 2001–2012 and a stable trend during 1980–2012, plus a winter population of 28–224 individuals, with an unknown trend during 2004–2013 and a decreasing trend (84%) during 1982–2013.