Attributes / relations provided by
♦ 1THE DIET AND FORAGING BEHAVIOUR OF TWO PATAGONIAN CORMORANTS, G.E. PUNTA, J.R.C. SARAVIA & P.M. YORIO, Marine Ornithology 21, 1993, pp. 27-36
♦ 2Feeding ecology and abundance of two sympatric skates, the shortfin sand skate Psammobatis normani McEachran, and the smallthorn sand skate P. rudis Günther (Chondrichthyes, Rajidae), in the southwest Atlantic , Ezequiel Mabragaña and Diego A. Giberto, ICES J. Mar. Sci. (2007) 64 (5): 1017-1027
♦ 3Foraging ecology of grey-headed mollymawks at Marion Island, southern Indian Ocean, in relation to longline fishing activity, Deon C. Nel, Jeanne L. Nel, Peter G. Ryan, Norbert T.W. Klages, Rory P. Wilson, Graham Robertson, Biological Conservation 96 (2000) 219-231