Collocations for duck - noun

wild | plastic, rubber
A rubber duck floated in the bath.

roast

flock, flotilla (only used for ducks that are swimming)
A flotilla of ducks bobbed near the shore.

feed
Every afternoon they went to the park to feed the ducks.

quack | paddle, swim
The ducks paddled furiously towards the bread.

bob | dive | dabble
Some species of duck dive for food, while others dabble for plants and insects near the surface.

waddle
A family of ducks waddled along the river bank.

nest | migrate

breast
Slice the duck breast and serve.

egg | pond