J. Criado

Important Bird Areas Americas. Priority Sites for Biodiversity Conservation

Adam C. Brown, A. Dobson, Julio E. Sánchez†, 2009 .

European Union Species Action Plan for Little Bustard (Tetrax tetrax)

C. Jolivet, N. Schäffer, E. Juana, 1997 .

Species Action Plan for the Balearic Shearwater Puffinus mauretanicus in Europe

E. Mínguez, J. Criado, C. Papaconstantinou, 1999 .

International action plan for the Lesser Kestrel Falco naumanni 1996

J. Donázar, F. Hiraldo, L. Brun, 2015 .

Action plan for the White-headed Duck (Oxyura leucocephala) in Europe. Technical Report, WWT

J. Holmes, H. Opitz, H. Garrido, 1996 .