Alpine Chough (Pyrrhocorax graculus) Science Article 1
The home ranges and movements of marked Alpine choughs (Pyrrhocorax graculus) were investigated in Aosta Valley, western Italian Alps, in two study sessions: winter-spring 1996-1997 and winter-spring 1997-1998. Overall 28 birds were marked, six of these were also equipped with a small radio tag.
P. Laiolo, A. Rolando & L. Carisio, J. Mt Ecol. 6:21-30