North-west Europe (large-billed) | 2000 | Expert opinion | 4,600-6,800 |
BirdLife International (2004). Birds in Europe, po
[more]
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1990-2000 | Poor | STA |
BirdLife International (2004). Birds in Europe, po
[more]
| |
North-east Europe (small-billed) | 2000 | Expert opinion | 14,200-26,000 |
BirdLife International (2004). Birds in Europe, po
[more]
| |
1990-2000 | Reasonable | DEC |
BirdLife International (2004). Birds in Europe, po
[more]
| |
Caspian & South Asia (win) | 1995 | Best guess | 10,000-25,000 |
O'Donnel, C.F.J. and Fjeldså, J. (in press). 1995
[more]
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- | No idea | UNK | | |