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.
♦ ²Seasonal distribution of white-beaked dolphins (Lagenorhynchus albirostris) in UK waters with new information on diet and habitat use, Sarah J. Canning, M. Begoña Santos, Robert J. Reid, Peter G.H. Evans, Richard C. Sabin, Nick Bailey and Graham J. Pierce, Journal of the Marine Biological Association of the United Kingdom, 2008, 88(6), 1159–1166