Threatened birds of India
2002
Islam, Zafar-ul |
Rahmani, Asad R. |
Birds
The avifauna of Xizang : the comprehensive scientific expedition to Quinghai-Xizang plateau
1983
Zheng, Zuoxin |
Fauna sinica : aves
Zheng, Zuoxin |
Lista de aves de El Salvador (con información sobre sitios para observar aves)
2001
Komar, Oliver |
Domínguez, Juan Pablo |
Matyerialy konfyeryentsii po izucheniyu migratsii ptits i okhrany ptits Baltiyskogo basseyna. [Tallin, s 9 po 13 Oktyabrya 1974 g.]
1974
Kumari, Eerik |
Las aves de los humedales del sur de alicante y su entorno
1999
Ramos Sánchez, Antonio Jacobo |
Sarmiento, Luis Fidel |
The birds of Georgia : a field guide
1999
Zhordania, R. |
Boeme, R. |
Kuznetsov, A. |
Important bird areas in Africa and associated islands : priority sites for conservation
2001
Fishpool, Lincoln D. C. |
Evans, M. I. |
Birds of Europe
1993
European bird populations : estimates and trends
2000
Heath, Melanie F. |
Borggreve, Carolien |
Peet, Nicholas |