Attributes / relations provided by
♦ 1del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.).
Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona.
♦ 2Ward,S.D. & Bullock,D.J. 1988.
The winter feeding ecology of the Black-tailed Godwit - a preliminary study. Wader Study Group Bull. 53:11-15