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What shape is the duck's mouth? Picture, what shape is the duck's mouth?
1. The duck's mouth is flat.

Its mouth is hard, mostly orange or brown, protruding from its head.

There are two small holes at the bottom of the mouth, like nostrils.

It has no teeth in its mouth, but it has serrated protrusions on its mouth.

5. So its mouth is called a toothed beak.

6. These serrated parts can help it chew food and promote digestion.