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Byaruhanga, Achilles |
Kasoma, Pantaleon |
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BirdLife International
Birds in the European Union : a status assessment
2004
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Birds in Europe : population estimates, trends and conservation status
2004
Burfield, Ian |
Bommel, Frans van |
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 |
Threatened birds of the world 2004 : species factsheets for globally threatened birds
2004
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Saving Asia's threatened birds : a guide for government and civil society
2003
Crosby, M. J. |