Both sexes have patches of chestnut-colored feathers around each eye. Some of them have gray-brown upper parts; others are red-brown. They have black tails and yellow eyes; their bills, legs and feet are pink. Sexes are alike, but the females are somewhat smaller. Males hiss and females make a cackling noise. Egyptian Geese Can be very pugnacious and aggressive, especially during breeding season. They often Break other waterfowl's eggs to make a nest of their own. Females incubate a clutch of 5-8 eggs for about 28 days. Egyptian geese typically eat seeds, leaves, grasses, and plant stems. Occasionally, they will eat locusts, worms, or other small animals.