sociabilis

L. sociabilis  sociable, compatible  < sociare  to associate  < socius   sharing, allied  < sequi  to follow.
● ex “Gavilan del estero sociabile” of de Azara 1802-1805, no. 16 (Rostrhamus).

Search for more names on the Key to Scientific Names in Ornithology by James A. Jobling.
Recommended citation
Jobling, J. A. (2019). Key to Scientific Names in Ornithology. In: del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.) (2019). Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona. (retrieved from www.hbw.com on 21 January 2019).