Owl

Any species of raptorial birds of the family Strigidae. They have large eyes and ears, and a conspicuous circle of feathers around each eye. They are mostly nocturnal in their habits.

A variety of the domestic pigeon.

To pry about; to prowl.

To carry wool or sheep out of England.

Hence, to carry on any contraband trade.

nocturnal bird of prey with hawk-like beak and claws and large head with front-facing eyes