Greater flamingos have their feathers are pinkish or white, the wing covers are red and the primary and secondary flight feathers are black. They have around 40 to 60 years of lifespan. Greater flamingos are omnivores eating crustaceans, mollusk, crabs and algae.
Greater flamingos live and feed in groups called flocks or colonies up to 20 000 or more pairs. They perform spectacular group displays of courtship involving ritualized preeding, synchronized wing raising and head flagging where they rise their necks and beaks and turn the head side to side. Once mating is complete, a pair takes turn incubating their single chalky-white egg. Young flamingos are born gray and white and do not turn pink for two years.
Greater flamingos are thought to be able to sleep while they stand on one leg and can often be seen standing on one leg, thought to be for the purpose of keeping the tucked-up leg warm within their feathers. Interesting beautiful color of Greater flamingos are responsible for shrimp-like crustaceans of their diet. Their pink color comes from a carotenoid pigment present in the algae and crustaceans they eat.