Are Owls Omnivores? A Informative Guide for Owl Lovers!

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Owls are one of the most intriguing and captivating animals in the world. They have a unique appearance: large eyes, a flat face, a hooked beak, and a round head.

They also have remarkable abilities, such as flying silently, rotating their heads almost 360 degrees, and hearing the slightest sounds. But what do these mysterious birds eat? Are owls omnivores, herbivores or carnivores? Let’s find out!

Are Owls Omnivores?

The answer is yes and no! Owls are occasionally omnivores, which means they eat both plants and animals. But most owl species are carnivores, meaning they eat only meat. This is because owls are birds of prey, or raptors, which are adapted to hunting, killing, and eating other animals.

Owls have several features that make them excellent hunters and carnivores. Some of them are:

  • Sharp talons that can grip and pierce their prey
  • A strong beak that can tear apart their prey
  • Keen eyesight that can see in low light conditions
  • Superb hearing that can locate their prey by sound
  • Soft feathers that muffle their wing beats and allow them to fly silently

What Do Owls Eat?

Owls eat a variety of animals, ranging from insects to small mammals. The species of owl, the environment, and food availability affect what owls eat daily. Most of their diet comprises insects, worms, snails, crabs, other invertebrates, fish, reptiles, amphibians, rodents, and even smaller birds. Examples of what different owl species eat are:

  • Barn owls: mice, rats, voles, shrews
  • Snowy owls: lemmings, hares, ducks
  • Great horned owls: rabbits, skunks, porcupines
  • Burrowing owls: beetles, grasshoppers, lizards
  • Elf owls: moths, scorpions
  • Eagle owls: foxes, deer fawns

This rule has a few exceptions, as some smaller owls, like the burrowing owl, may also occasionally consume seeds and fruits. This makes them omnivorous to some extent. Other owls may also eat plant matter if animal prey is scarce or unavailable.

Do All Owl Species Consume the Same Food?

No! The diet of an owl varies greatly depending on the species. There are about 250 species of owls worldwide, and they can be found on every continent except Antarctica.

Each species has its preferences and adaptations for finding food. For example:

  1. Eagle owls are excellent hunters that have little trouble deciding what to eat. It can take down large prey such as foxes and deer fawns.
  2. Little elf owls rely mostly on beetles and moths as their primary food source. It is too small to catch bigger prey.
  3. Flammulated owls eat insects almost exclusively. It has specialized feathers that help it blend in with tree bark.
  4. Fishing owls live near water and feed mainly on fish. It has long legs and toes that help it wade and catch its prey.

How Do Owls Feed?

Owls are patient hunters that typically search for food in areas away from their nests. They have different strategies for finding food depending on their species and habitat. Some common methods are:

Perching

Some owls sit on a perch, such as a low tree branch or fence post, waiting for the right moment to swoop in and pick up the prey with their talons. This is called still-hunting or perch-hunting.

Owl perching

Soaring

Owls soar over open fields or marshes in search of food. They use their keen eyesight to spot their prey from above and dive down to catch it. This is called quartering or aerial hunting.

Running

They also run across the ground to catch prey. They use their long legs and speed to chase after rodents or insects. This is called ground hunting.

Skimming

Owls can skim or wade through water to search for fish and other aquatic prey. They use their long toes and talons to grab their prey from the surface or below. This is called water hunting.

What Animals Do Owls Eat?

Owls exhibit impressive dietary flexibility and have been known to eat a wide range of animals, from insects to mammals. The type and size of the animal depend on the species and size of the owl, as well as the availability and abundance of the prey. Their preferred prey includes mice, rats, shrews, rabbits, squirrels, and other small mammals. But they are not limited to mammals alone.

Do Owls Eat Reptiles?

Yes! Owls eat many kinds of reptiles, such as lizards, snakes, and turtles. Reptiles are a good source of calcium and other minerals for owls, especially for those that live in warm climates. Some examples of owls that eat reptiles are:

  1. Barn owl: They eat mostly rodents but also feed on lizards and snakes occasionally.
  2. Burrowing owls: They eat insects but also feed on lizards and snakes frequently.
  3. Spotted owl: This owl eats small mammals but also feeds on lizards and snakes regularly.
  4. Great horned owl: Eats medium-sized mammals but often feeds on lizards and snakes.
  5. Eagle owl: Eats mostly large mammals but also feeds on lizards and snakes sometimes.

Do Owls Eat Other Birds?

Yes! Owls eat many kinds of birds, like baby ducks, pigeons, sparrows, starlings, and even other owls. Birds are a good source of feathers and bones for owls, as they help them produce pellets. Some examples are:

  1. Snowy owl: Eats mostly lemmings but also feeds on ducks and geese occasionally.
  2. Long-eared owl, Short-eared owl: Eats rodents but also feeds on small birds frequently.
  3. Barred owl: Eats mostly small mammals but also feeds on medium-sized birds often.
  4. Great gray owl: Mainly eats voles while also feeding on large birds sometimes.

Do Owls Eat Fish?

Yes! Fish is another common prey for many owl species, especially for owls living near water bodies. Owls have an advantage over fish because they can spot them from above and dive into the water to catch them. Some owls which eat fish are:

  • Snowy Owls, a.k.a Bubo Scandiacus, are among the world’s most beautiful and majestic owls. It can eat fish of up to 2 pounds, including salmon and trout.
  • Fishing Owl is a group of four owl species that live in Africa and Asia. They can eat fish of up to 1 pound, including catfish and tilapia.
  • Burrowing Owl is one of the smallest and cutest owls in the world. They can eat fish of up to 4 ounces, including minnows and tadpoles.

Do Owls Eat Insects?

Yes, owls eat insects! Insects are one of the most abundant; they can locate them easily and catch them with their sharp talons. Some insect-eating owl species include:

  • The elf owl is one of the world’s tiniest and lightest owls, and it can eat insects weighing up to 0.2 ounces, including beetles and moths.
  • The Flammulated owl is one of the world’s most elusive owls, and they can eat insects weighing up to 0.4 ounces, like crickets and grasshoppers.
  • Screech owls are a group of 21 owl species found in North and South America. They can eat insects that weigh up to 0.8 ounces, including caterpillars and spiders.

Do Owls Eat Mice and Small Rodents?

Owl hunting rodent

Owls do eat mice and small rodents! Owls have an advantage over mice and small rodents because they can smell them better and catch them with their curved claws. Some of the owl species that eat mice and small rodents are:

  • Barn owls can eat mice and small rodents up to 1 ounce, including voles and shrews.
  • Tawny owls can eat mice and small rodents up to 2 ounces, like mice and rats.
  • Long-eared owls can eat mice and small rodents up to 3 ounces, including hamsters and gerbils.

Do Owls Eat Seeds?

Yes, owls do eat seeds. Seeds are among the most nutritious food items for many owl species living in arid and desert regions. Some owls prefer seeds because they can easily find and swallow them whole. A few examples of owl species that eat seeds are:

  • Burrowing owls can eat seeds of up to 0.1 ounces, including sunflower seeds and millet seeds.
  • The Spotted owl can eat seeds of up to 0.2 ounces, including pine nuts and acorns.
  • The Little owl can eat seeds of up to 0.3 ounces, including hazelnuts and chestnuts.

Final Thoughts

Owls are occasionally omnivores, but in general, they are carnivores. This means they mostly eat meat, but sometimes they consume seeds and fruits. Their diet varies depending on their species, environment, and food availability.

They are amazing hunters who use their senses of sight, hearing, and smell and also have specialized adaptations such as a strong beak, sharp talons, silent flight, and unique digestion to help them catch and consume their food.

When it comes to their reproduction, they may choose not to breed if there is not enough food in their area, or they may lay more eggs if there is plenty of food.

Owls are fascinating animals that deserve our admiration. They are important in controlling rodents, insects, and other pests. We hope you enjoyed this blog post about “Are owls omnivores?” and learned something in the process.

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Dylan Green – Author & Birding Expert

Dylan Green​

Dylan Green is our author, birding maestro, and walking encyclopedia of birds. We call him our vigilant hawk, who scans the sky, observes birds, and documents their behavior and characteristics. And above all, he is a magical storyteller. Let us warn you, Dylan has a contagious love of birds, and his thorough guides demonstrate his knowledge of them. You guys are going to love his blog posts.

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