Greater flamingo is a beautiful bird. Classified as Least Concern (LC) by the IUCN. Size of adult Greater flamingo is between 110 cm to 150 cm. The weight of adult is between 2.0 to 4.2 kg. They have a wingspan of 135 to 170 cm.
Plumage is pinkish-white, but the wing coverts are red and the primary and secondary flight feathers are black. This flight feathers are usually partly hidden when the wings are at rest. Black flight feathers only visible in flight.
They have black-tipped bills with a distinctive downward bend. Their large bills consist of layers of horny plates used to filter out prey from the water.
Legs are large and strong, and bright pink as well and end with pink, webbed feet. Eyes are yellow, neck is long, lean, and curved.
Flamingos will often rest their head on their body in order to avoid fatigue in the neck muscles. Young flamingos are whitish-grey and only attain the pink coloration several years into their adult life.
Both sexes look alike, but males are slightly larger than females, and females obtain their adult color slightly earlier than males. Juveniles are grey-brown with some pink in the underparts, wings and tail, and the legs and beak are mainly brown.