a shape which is not straight
curved
the hard part of a bird's mouth (also known as 'a beak')
a bill
to extract small, solid items from a liquid
to filter
plants that grow in water, usually very small and with no roots or leaves
algae
a baby bird
a chick
1) to give food to a person or animal; 2) to eat (this usage is only for animals or babies)
to feed
the area inside your neck, at the back of your mouth
your throat
to reduce something (energy, colour, money, etc.) to a point where there is not enough of it
to drain something
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