The Lesser Flamingo (Phoenicopterus minor) is a species of Flamingo which occurs in Africa (principally in the Great Rift Valley), across to northwest India. It is the smallest and most numerous flamingo, most likely numbering up to a million individual birds.
Like all flamingos it lays a single chalky white egg on a mud mound. Most of the plumage is pinkish white.
Its clearest difference from the Greater Flamingo is the much more extensive black on the bill. Size is less helpful unless the species are together, since the sexes of each species are also different in height.
This species feeds exclusively on the algae Spirulina plantensis, which occurs only in very alkaline lakes. Their deep bill is specialized for tiny food items.
The populations in the two key east African lakes, Nakuru and Bogoria, have been adversely affected in recent years by suspected heavy metal poisoning.