Great Horned Owl vs Barred Owl: Key Differences in Size, Calls, Habitat & Behavior

If you’ve ever heard a haunting hoot at night and wondered whether it came from a Great Horned Owl or a Barred Owl, this guide is for you. Both are large, widespread North American owls, but they differ in eye color, head shape, vocal rhythm, habitat preferences, and hunting power.

In this guide, we break down the Great Horned Owl vs Barred Owl differences in appearance, size, calls, habitat, diet, and behavior, helping you identify which owl you’re hearing next time.

3-Second ID (Quick Field Checklist)

Use these fast cues when you only get a glimpse, or you’re identifying by sound:

• Eyes: Barred Owl = dark brown. Great Horned Owl = bright yellow
• Head silhouette: Barred Owl = round, no ear tufts. Great Horned Owl = obvious ear tufts (“horns”) (note: tufts aren’t ears)
• Call: Barred Owl = rhythmic “Who cooks for you? Who cooks for you-all?” Great Horned Owl = deeper, slower-spaced hoots

Quick Comparison Table: Great Horned Owl vs Barred Owl

Appearance & Identification of Barred Owl vs Great Horned Owl

The easiest way to tell a Great Horned Owl from a Barred Owl apart is by looking at the head and eyes.

Barred Owls have a rounded head, no ear tufts, and striking dark brown eyes. Their underparts show a mix of horizontal brown bars across the chest and vertical streaks on the belly.

Great Horned Owls, on the other hand, are instantly recognizable by their prominent ear tufts (the “horns”) and bright yellow eyes. They have a white throat patch and a more mottled gray-brown appearance.

Field note: Ear tufts can lie flatter depending on posture, wind, or alertness. If you only saw a silhouette briefly, combine this with eye color (if visible) or call.

Size and Physical Differences for Great Horned vs Barred Owl​

• Size and Body Comparison: Great Horned Owls are generally larger and more robust, with a 3.3–4.8 ft wingspan, whereas the wingspan of the Barred Owl is 3.2–3.6 ft.
• Weight: Barred Owls weigh an average of 1-2 pounds, whereas Great Horned Owls are much heavier, often exceeding 3 pounds.
• Behavioral Difference: Great Horned Owls are a top predator and are the more aggressive species.

Call Differences: Barred Owl “Who Cooks for You” vs Great Horned Owl Hoots

When it’s dark, vocalizations are often the best identification tool.

Barred Owls are known for a loud, 8-9 note rhythmic call resembling "Who cooks for you, who cooks for you-all?" often ending with a dramatic hoot. They also produce a wide variety of cackles, hoots, barks, and gurgles. They make "huff-n-puff" sounds, hiss, and engage in loud bill snapping.

Great Horned Owls produce a deep, resonant series of 4-5 hoots, often described as "hoo-hoo-hoo, hoo-hoo," with a lower pitch and more muffled sound. Great Horned Owl vocalizations differ primarily by pitch and rhythm, with males having a deeper voice than females. Males typically produce lower-pitched, 3-5 note hoots to establish territory. Females have a higher-pitched, more rapid voice with often 7 notes.

To train your ear, use the Cornell Lab of Ornithology’s All About Birds pages for each species and listen to multiple recordings (individuals and contexts vary):

• Barred Owl: https://www.allaboutbirds.org/guide/Barred_Owl
• Great Horned Owl: https://www.allaboutbirds.org/guide/Great_Horned_Owl

Geographic Range and Distribution

Barred Owls are native to eastern North America but have expanded dramatically westward over the past century. They are now well-established in the Pacific Northwest and have moved into California, including the San Francisco Bay Area and parts of the Central Coast.

Great Horned Owls have one of the widest ranges of any owl in the world, found from the Arctic to South America. In California, they are abundant year-round and far more widespread than Barred Owls.

Habitat Preferences

Barred Owls prefer mature, wet forests and riparian zones with large cavity trees near water. They are more specialized and often stick to dense woodland.

Great Horned Owls are true generalists. You can find them in everything from dense forests and deserts to suburban parks, golf courses, and rocky canyons. They frequently reuse old Red-tailed Hawk or raven nests rather than building their own.

Diet and Prey Selection

Both species are opportunistic predators, but they differ in the upper size limit of prey they regularly tackle.

• Barred Owls mainly eat small mammals (mice, voles, squirrels), frogs, salamanders, crayfish, and birds. They are highly adaptable and will even take insects.
• Great Horned Owls tackle much larger prey. They regularly hunt rabbits, hares, skunks, and other birds, including smaller raptors. Their powerful talons and crushing grip allow them to take animals that most predators avoid.

Hunting Style and Behavior

Barred Owls are classic “sit-and-wait” predators. They perch high, scan for movement, then drop or glide silently to the ground. They occasionally hunt during the day in dense forests.

Great Horned Owls are ferocious nocturnal hunters. They use the same perch-and-pounce technique but rely on sheer power to kill and sometimes decapitate larger prey before carrying it away. They are known to be more aggressive and will defend their territory fiercely.

Do Great Horned Owls prey on Barred Owls?

Yes, there are documented cases of Great Horned Owls killing Barred Owls, especially when territories overlap, and competition is intense. This isn’t an “everyday event”, but it’s a real and notable difference in their predator-prey/competitive relationship.

Conservation Status

Both owls are currently listed as Least Concern by the IUCN and remain widespread.

The major conservation controversy involves Barred Owls in the Pacific Northwest and California, where their expansion has increased pressure on Northern Spotted Owls and California Spotted Owls through competition and displacement.

In 2024, the U.S. Fish and Wildlife Service finalized a plan authorizing the removal of up to approximately 450,000 Barred Owls across Washington, Oregon, and California over 30 years to support spotted owl recovery. The policy remains controversial and is actively debated.

FAQs about Great Horned Owl vs Barred Owl

Which is bigger: Great Horned Owl or Barred Owl?

The Great Horned Owl is generally bigger and heavier, with a broader wingspan range and a bulkier build. In the field, size is most reliable when paired with head shape and call rhythm.

Can you tell them apart by call alone?

Often, yes. The Barred Owl typically gives the rhythmic “Who cooks for you?” pattern, while the Great Horned Owl gives deeper, slower, more widely spaced hoots. Because both species have multiple vocalizations, it’s best to compare your audio to several recordings.

Are Barred Owls invasive in California?

In much of the western U.S., Barred Owls are often treated as an invasive/introduced competitor because they expanded outside their historical range and can displace native spotted owls.

What’s the easiest single trait to remember?

If you can see the bird: dark eyes = Barred Owl; yellow eyes + ear tufts = Great Horned Owl. If you can only hear it: “Who cooks for you” = Barred Owl. Deep-spaced hoots = Great Horned Owl.

Summary: Which Owl Rules the Night?

The Great Horned Owl is the larger, more powerful, and dominant predator. It outcompetes the Barred Owl in size, strength, and versatility, and will even hunt Barred Owls when their ranges overlap. The Barred Owl, meanwhile, is the vocal, adaptable “invader” that has successfully expanded into California but remains less aggressive and more specialized in its habitat needs.

Next time you hear hoots, listen closely: a deep, rhythmic “hoo-hoo-hoo” means a Great Horned Owl is claiming its territory, while the famous “Who cooks for you?” belongs to the Barred Owl.