well I'm pretty sure its fish
barn owl mostly hunt birds, fish, reptiles, and insects.
owls hunt in trees in woods and in different parts of woods
Most owls hunt in the nighttime because they are nocturnal animals. They hunt in order to find food and survive. Snowy Owls, for example, are not night hunters- they hunt in the dawn and dusk times.
While some Owls are specifically adapted to hunt fish, they do not possess SONAR. Their hearing is very sensitive, and in combination with their enhanced eyesight, they are a very successful predator.
All owls are carnivorous birds of prey and live mainly on a diet of insects and small rodents such as mice, rats and hares. Some owls are also specifically adapted to hunt fish. Owls mainly hunt at night but not exclusively.
Hunt
Owls search for their food in many different ways, depending on where the owl lives. Usually owls though having very good eyesight, hunt by sound. Some owls hunt in woodland, some owls in marshland, some owls hunt in snow.
Snowy Owls hunt with their sharp talons sometimes they hunt alone and sometimes they don't.
owls and other birds hunt mice
yes they do
at night