Collocations for owl - noun

barn, spotted, etc.
stuffed
wise (often figurative)
He's a wise old owl.

night (figurative)
I was a night owl when I was younger, but these days I'd rather go to bed early.

fly
hoot, screech
catch sth, prey on sth
Owls prey on small rodents.

nest, perch, roost

pellet