They are nocturnal animals that hunt their prey during the night by using their keen sight to track their prey down. They feed on insects, fish and small to medium-sized animals including voles, rats, rabbits and even skunks. Birds of prey such as hawks, falcons, eagles, osprey, vultures, and owls are familiar carnivorous birds, but many other types of birds also consume a fair amount of meat and could be classified as carnivores. It is true that owls are carnivores, they eat meat. Meat is a high energy food source. In North American and Europe most of their diet consists of voles.
Owls have large heads, soft feathers, and round, stocky bodies. Owls hunt, nest, and roost in Owls are carnivores as they only eat meat. Number of barn owls in some parts of the world is declining due to habitat loss, traffic accidents and unintentional poisoning with rodenticides. An owl’s eyes are large and face forwards, unlike other bird’s whose eyes are placed on the sides of their heads. Great horned owls, various small carnivores, and black bears have been documented preying on young, but such predators rarely threaten adults, and owls have been known to fend off animals as large as black bears when defending their nests. Due to their large size, great grey owls have few natural predators. Throughout the Mediterranean, the tropics, sub-tropics and Australia they will feed primarily on mice and rats. The term “bird of prey” is used to describe a bird that hunts, kills and eats other animals. All birds of prey are carnivores, including owls. There are about 250 owl species in the world; they live on every continent except Antarctica. Owls are carnivores, meaning they eat mostly meat from other animals. Diet changes by region.

Small, rodent-like mammals, such as voles and mice, are the primary prey for many owl species. Owls spend much of their waking time hunting for food. Many owl species are carnivores, or meat eaters. Barking Owl eating Mouse (photo: Andrew Mercer- CC-BY-SA) Carnivores eat meat (and other animal tissue) to get the calories and energy to survive. Owls eat other living things as they are carnivores, including a variety of small animals, rats, mice, birds, amphibians, small mammals, rabbits, moles, and skunks. An owl's diet may also include frogs, lizards, snakes, fish, mice, rabbits, birds, squirrels, and other creatures.

Carnivore : Lions (Felines), Toads, Snakes and Owls (Birds of Prey). Barn owl inhabits open grasslands and farmlands, areas near the rivers and woodlands. So owl is a carnivorous bird. Barn owls are carnivores. Meanwhile on the Cape Verde Islands to the West of Africa they feed mostly on geckos with birds supplementing their diet.

Barn owl is a type of medium-sized owl. Owls are also known to eat insects, spiders, lizards, frogs, and snails. Owls are called raptors, or birds of prey, which means they use sharp talons and curved bills to hunt, kill, and eat other animals. There are around 30 subspecies of barn owl that can be found all over the world, except in the polar regions and deserts.
No owls are not omnivores because they eat mice,lizards,and snakes. Owls are mysterious creatures, probably owing much to the fact that they are nocturnal and quiet, thus they aren’t really seen by most people.