Are flamingos always pink?

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The colouring of the flamingo's plumage depends on its diet. It eats tiny crustaceans, filtered from the water in its huge curved bill.

Crustaceans are a group of animals whose skeletons are on the outsidde of their bodies. Crabs, lobsters are barnacles are all crustaceans. It is the colour of these minute creatures that determines the flamingo's colour, which could be anything from the palest pink to rosy red. In captivity if the flamingo's usual food is not available, it's plumage turns quite white.