Birds to watch 2 : the world list of threatened birds 1994 Collar, N. J. | Crosby, M. J. | Stattersfield, A. J. |
Birds in Europe : population estimates, trends and conservation status 2004 Burfield, Ian | Bommel, Frans van |
Important bird areas in Africa and associated islands : priority sites for conservation 2001 Fishpool, Lincoln D. C. | Evans, M. I. |
European bird populations : estimates and trends 2000 Heath, Melanie F. | Borggreve, Carolien | Peet, Nicholas |
Important bird areas in Europe : priority sites for conservation 2000 Heath, Melanie F. | Evans, M. I. |
Habitats for birds in Europe : a conservation strategy for the wider environment 1997 Tucker, Graham M. | Evans, M. I. |
Endemic bird areas of the world : priorities for biodiversity conservation 1998 Stattersfield, A. J. | Crosby, Michael J. | Long, Adrian J. | Wege, David C. | Rayner, Andrew P. |
Seabirds on islands : threats, case studies and action plans 1994 Nettleship, David N. (D. N.) | Burger, Joanna | Gochfeld, M. |