ocr: FIGHTING BACK F IHEY cannot fly away from danger, birds will often defend themselves. Many large birds can inflict serious wounds with their beak, while cassowaries and ostriches can kill a human with their claws. T'erns and magpies dive-bomb animals that come near their nest. Fulmars and shearwaters spit toul-smelling oil at intruders. BITING BACK A northern gannet's strong, booked beak is more than a match forgulls on the lookout for undefended egs.
