North-west & Central Europe (win) | 2000 | Expert opinion | 1,000,000-1,300,000 |
BirdLife International (2004). Birds in Europe, po
[more]
| |
1996-2006 | Good | STA |
Wetlands Intrenational 2011. Results of trend anal
[more]
| |
North-east Europe/Adriatic | 2000 | Expert opinion | 200,000 |
BirdLife International (2004). Birds in Europe, po
[more]
| |
- | No idea | UNK | | |
Western Siberia & North-east Europe/Black Sea | 1967-2000 | Expert opinion | 60,000 |
Monval, J-Y. and Pirot, J-Y. 1989. Results of the
[more]
| |
- | No idea | UNK | | |
Western Siberia/Caspian | 1990-2000 | Best guess | 100,000-1,000,000 |
Savchenko, A.P., Sidorkin, V.N. & Belyakov, A.V. 2
[more]
| |
1990-2000 | Poor | STA |
Savchenko, A.P., Sidorkin, V.N. & Belyakov, A.V. 2
[more]
| |