* "White Shark Predatory Behavior at Seal Island"* University of Cape Town Avian Demography Unit* Photographing Africa's "Flying Sharks" from الجمعية الجغرافية الوطنية's web site
* "White Shark Predatory Behavior at Seal Island"* University of Cape Town Avian Demography Unit* Photographing Africa's "Flying Sharks" from National Geographic's web site== References ==