Birds in Europe : population estimates, trends and conservation status
2004
Burfield, Ian |
Bommel, Frans van |
Species conservation
Guidelines for the management of large mammals in African conservation areas
1983
Ferrar, A. A. |
African wildlife : research and management, proceedings of an international symposium
1991
Kayanja, Frederick I. B. |
Edroma, E. L. |
European Union action plans for eight priority bird species
2001
Schäffer, Norbert |
Gallo-Orsi, Umberto |
Informe sobre el programa de áreas importantes para aves en Panamá
1998
Angehr, George R. |
Jordán, Osvaldo |
Prime butterfly areas in Europe : priority sites for conservation
2003
Swaay, Chris van |
Warren, Martin |