Movements of a male greater spotted eagle (Clanga clanga) during its 2nd and 3rd calendar years
McGrady, Mike, Schmidt, Matthias, Andersen, Georgina, Meyburg, Christiane, Väli, Ülo, Allamki, Faisal, Meyburg, Bernd-Ulrich
Monitoring of spotted eagles in Estonia in 1994–2014: Stability of the lesser spotted eagle (Aquila pomarina) and decline of the greater spotted eagle (A. clanga)
Väli, Ülo
Winter ranging behaviour of a greater spotted eagle (Aquila clanga) in southeast Spain during four consecutive years
Pérez-García, Juan M., Sellis, Urmas, Väli, Ülo
Home range size and breeding dispersal of a common buzzard (Buteo buteo)
Väli, Ülo
The northern hawk owl Surnia ulula invasions in Europe
Mikkola, Heimo, Rajala, Esko, Väli, Ülo, Keišs, Oskars, Jusys, Vytautas, Kwieciński, Zbigniew, Dombrovski, Valery, Krüger, Thorsten, Hušek, Jan, Pačenovský, Samuel, Kuzmenko, Yuriy, Kuzmenko, Tatiana