Re-order Paragraphs

Put the sentences in the correct order:

1. ▲▼Without that steady supply, a captive flamingo will slowly fade back to a pale, washed-out grey.
2. ▲▼As the birds digest this food, the pigments are absorbed and gradually deposited into their growing feathers.
3. ▲▼The transformation comes from their diet of tiny algae and shrimp, which are packed with reddish pigments.
4. ▲▼Chicks actually hatch with dull grey plumage and develop their famous pink shade only over time.
5. ▲▼The colour of a flamingo's feathers is not something the bird is born with.