Reference citation: Whitfield, A.K. and S.J.M. Blaber. 1979. Feeding ecology of piscivorous birds at Lake St. Lucia, part 3: swimming birds. Ostrich 50(1):10-20.
Source citation: Palomares, M.L.D. and D. Pauly. Editors. 2018. SeaLifeBase. World Wide Web electronic publication. www.sealifebase.org, version (10/2018).
