Are There Great Horned Owls in Pennsylvania?
Yes, Great Horned Owls are common year-round residents throughout Pennsylvania. These powerful nocturnal hunters live in forests, woodlands, and suburban areas across the entire state. You can find them from the coastal Delaware River region to the western ridge and valley lands. Their deep hooting calls echo through Pennsylvania's forests every night of the year.
By Tim, founder of Easy Street Markets. I maintain the wildlife database and verify every animal and source myself. Updated July 20, 2026.
Great Horned Owl · George Pushkal CC BY
Great Horned Owl · Bill Keim CC BY
Great Horned Owl · Andrew Conboy CC BY
- 1
- species recorded
- 41,628
- GBIF records
- 6
- birding hotspots
- April, March, May
- peak months
Yes, great horned owls are in Pennsylvania. Next you'll want:
Real sighting data, source iNaturalist
1,256 verified observations on iNaturalist of great horned owl have been recorded in Pennsylvania, most often in April, March, May.
When great horned owl are recorded in Pennsylvania
Yes, Great Horned Owls are common year-round residents throughout Pennsylvania. These powerful nocturnal hunters live in forests, woodlands, and suburban areas across the entire state. You can find them from the coastal Delaware River region to the western ridge and valley lands. Their deep hooting calls echo through Pennsylvania's forests every night of the year.
Where Great Horned Owls Live in Pennsylvania
Great Horned Owls inhabit all regions of Pennsylvania, making their homes in diverse forest types and landscapes. The Pocono Mountains in northeastern Pennsylvania support healthy populations in mixed hardwood forests. The ridge and valley region of central Pennsylvania, with its folded mountains and intervening valleys, provides extensive suitable habitat. The Allegheny Plateau, which covers much of western and north-central Pennsylvania, hosts owls in diverse forest communities. The Susquehanna River corridor, Pennsylvania's longest river, creates productive hunting habitat and roosting sites throughout central Pennsylvania. The Delaware River valley in the eastern part of the state supports owls along forested riparian corridors. Appalachian foothills in southern Pennsylvania near the Maryland border have stable owl populations. The Laurel Highlands and surrounding areas provide dense oak and hemlock forests where owls thrive. Urban and suburban areas throughout Philadelphia, Pittsburgh, and other major cities increasingly host Great Horned Owls that have adapted to city life. Agricultural areas mixed with woodlots throughout the state provide productive hunting grounds. State parks including Ricketts Glen, Lums Pond, and Parker Dam State Park support resident owl populations. Visitthe Pennsylvania wildlife hubto explore other species. The transition zones between forest and open land create productive hunting edges that attract owls.
Seasonal Activity and Timing in Pennsylvania
Great Horned Owls are permanent residents in Pennsylvania, maintaining territories year-round without migrating. Their activity patterns follow a consistent seasonal cycle tied to breeding demands. Territorial behavior becomes increasingly vocal in August and September as pairs reestablish bonds. By October and November, courtship vocalizations increase as pairs prepare to breed. Mating occurs in November and December, with pairs engaging in elaborate calling sequences. Egg-laying typically occurs in December and January, with females choosing large cavities or abandoned hawk nests for breeding sites. Incubation lasts about 30 days, so eggs hatch by late February and early March. Chicks remain in the nest until April and May, requiring constant parental feeding throughout March and April. The peak hunting season is March through May when parent owls must capture multiple prey items nightly. Fledging occurs in May and June as young owls leave the nest but remain dependent on parents. By summer and early fall, young owls gradually disperse to establish their own territories. The most vocal period is November through February when territorial and breeding activities are most intense. Winter nights, particularly December through February, offer exceptional opportunities to hear Great Horned Owls calling. Checkthe national wildlife hubfor seasonal information on other Pennsylvania species. Overcast nights with calm conditions are particularly good for hearing owl vocalizations. Research demonstrates that Great Horned Owls in Pennsylvania begin calling earlier and more intensively in years with abundant prey.
How to Identify Great Horned Owls
Great Horned Owls are Pennsylvania's largest common owl species, easily identified by distinctive features. Adults measure 18 to 25 inches in length with wingspans reaching 36 to 60 inches. The most obvious field mark is the pair of prominent dark ear tufts projecting upward from the crown, resembling horns. These tufts are unique among Pennsylvania owls and visible even at considerable distance. The face is broad with intense yellow eyes set in a dark facial disc. Facial disc coloration varies from grayish to rufous. Overall plumage is heavily mottled in browns and grays, providing excellent camouflage on tree bark. The upper back features a pale collar creating a distinctive pattern. The underparts show barring and streaking in dark and light tones. Males and females appear nearly identical in plumage, though females are substantially larger and heavier. In flight, the wings are broad and rounded, the tail is short, and the overall silhouette is useful and powerful. The yellow eyes are visible even at distance and distinguish them from most other nocturnal raptors. Their most distinctive call is a deep hooting series: hoo hoo hoo hoo. This call carries far through Pennsylvania's forests. They also produce hisses, grunts, and loud shrieking sounds when defending territories or nests. Visitthe Pennsylvania wildlife hubfor comparison information on other owl species. The combination of ear tufts, yellow eyes, and large size makes identification straightforward.
Where to Find Great Horned Owls in Pennsylvania
Great Horned Owls concentrate in specific habitats throughout Pennsylvania where conditions favor hunting and roosting. Dense mature forests in the Pocono Mountains consistently support owl populations year-round. The Susquehanna River corridor, particularly areas from Harrisburg northward, provides excellent riparian habitat. State forests including Rothrock, Bald Eagle, and Michaux forests in central Pennsylvania host stable populations. The ridge and valley region of central Pennsylvania offers productive habitat throughout. Streamside forests along major waterways including the Allegheny River, North Branch Susquehanna, and Juniata River provide hunting edges. Suburban parks with large old trees in Philadelphia and Pittsburgh increasingly host owls. The Delaware River valley near Port Jervis and in Pike County offers good habitat. Areas around Lake Wallenpaupack and other large reservoirs provide productive hunting habitat. Mixed oak and hickory forests throughout the Appalachian region support hunting populations. Agricultural areas mixed with woodlots provide productive hunting grounds. State parks including World's End State Park, Hickory Run, and Laurel Hill State Parks support owl populations. Learn more atthe Pennsylvania wildlife hub. Winter listening near forests and edges frequently detects calling owls. Calm, clear nights are ideal for hearing owl vocalizations at distance. Dawn hours before sunrise offer good opportunities to hear breeding owls.
Diet and Hunting Behavior
Great Horned Owls are apex predators in Pennsylvania, hunting nocturnally from elevated perches. They hunt using a sit-and-wait strategy, scanning for movement below before diving silently at speeds exceeding 40 miles per hour. Rabbits and hares are primary food items across Pennsylvania. Eastern cottontail rabbits are abundant throughout lowland and suburban areas. Snowshoe hares become important prey in mountain forests, particularly in winter months. Eastern gray squirrels and fox squirrels provide substantial nutrition in forested areas. Other mammals including woodchucks, groundhogs, rats, mice, and voles are regularly consumed. Occasionally, Great Horned Owls hunt waterfowl, crows, and other bird species. In Pennsylvania's agricultural areas and suburban zones, they hunt rodents around barns and residences, providing valuable pest control. The hunting technique involves striking prey with powerful talons that exert tremendous crushing force. Large prey is dismembered into pieces, while small prey is typically swallowed whole. A single owl consumes approximately four to five ounces of food daily. Hunting activity increases substantially during breeding season when chicks must be fed multiple times nightly. Successful hunts may occur several times per night or on alternate nights depending on prey availability. In Pennsylvania's varied habitats, they adapt their hunting techniques to available prey. Visitthe national wildlife hubfor information on predator-prey relationships. Their broad diet and hunting flexibility make them successful predators across Pennsylvania's diverse landscapes.
Coexistence and Safety Considerations
Great Horned Owls and Pennsylvania residents coexist peacefully in most situations. These powerful predators pose no threat to human safety. Attacks on humans are extraordinarily rare and essentially nonexistent. These owls are federally protected under the Migratory Bird Treaty Act, making it illegal to harm, kill, or capture them. Homeowners with owls in their neighborhoods benefit from natural pest control and the ecological experience of living with a top predator. The presence of owls indicates a balanced, healthy ecosystem. The primary concern for some homeowners involves potential predation on pet cats and small dogs left outdoors. Outdoor cats should be kept indoors or strictly supervised during twilight and nighttime hours. Small dogs should never be left unattended in yards during dawn and dusk. Pet enclosures should have protective overhead covering. Great Horned Owls do not become aggressive toward people unless defending eggs or chicks at active nests. Maintaining respectful distance from known nests protects both birds and people. If you find an injured owl, contact the Pennsylvania Game Commission. Learning to identify and appreciate owls enriches your understanding of local natural history. Many nature centers and parks offer owl identification programs during breeding season. Recording and photographing owls for personal use is legal and causes no harm. Sharing owl observations with researchers helps monitor population health.
Similar Species and Confusion Risks
Several other owl species occur in Pennsylvania and may be confused with Great Horned Owls without careful observation. The Barred Owl is common in Pennsylvania's forests but lacks ear tufts, has dark brown eyes instead of yellow, and produces a distinctive laughing or whooping call. The Long-eared Owl is smaller than the Great Horned Owl with proportionally longer, thinner ear tufts positioned closer together. Long-eared Owls have yellowish facial discs and orange or buff-colored eyes. The Short-eared Owl has no ear tufts, hunts during daylight hours, and has a pale facial disc. The Screech Owl is much smaller, roughly robin-sized, with barely visible ear tufts. The Barn Owl has a distinctive white heart-shaped facial disc and hunts only in open country habitats. The Great Gray Owl is much larger than the Great Horned Owl and extremely rare in Pennsylvania, occurring only as a winter vagrant. The Common Nighthawk, a bat-like insectivore, is sometimes confused with flying owls but has angular wings. Visitthe national wildlife hubfor field identification guides comparing Pennsylvania's owl species. Each species has distinct habitat preferences and behavioral patterns aiding identification. Learning to recognize different owl calls through recordings greatly improves identification accuracy. Pay careful attention to ear tuft size and position, eye color, facial disc shape, and vocalizations.
Frequently Asked Questions About Pennsylvania Great Horned Owls
What does a Great Horned Owl sound like in Pennsylvania? The typical call is a series of deep, resonant hoots: hoo hoo hoo hoo, with the pattern sometimes varying to four, five, or six hoots. The first hoot is often lower in pitch than the others. They also produce hisses, grunts, and loud shrieking sounds, especially when defending territories or nests. Where can I hear Great Horned Owls calling in Pennsylvania? Listen near forests, woodlands, and riparian areas at night. The Susquehanna River corridor, state forests, and suburban parks are particularly productive. December through March is the best season as owls actively call during territory establishment and breeding. Are Great Horned Owls dangerous to people in Pennsylvania? No, Great Horned Owls are not dangerous to humans. Attacks are virtually nonexistent. These birds naturally avoid human contact and are more afraid of people than people should be of them. Can I keep a Great Horned Owl as a pet in Pennsylvania? No, it is illegal under federal law to possess wild Great Horned Owls. These birds are protected and only federally licensed facilities may house them. Violating these laws results in serious fines and potential federal charges.
Plan your trip
Best time to see great horned owl in Pennsylvania: April, March, May
See the month-by-month sighting calendar.
Plan your great horned owl sighting in Pennsylvania
41,628 verified great horned owl records have been logged in Pennsylvania, most recently in 2026. See the GBIF records.
Where to look in Pennsylvania
- Appalachian National Scenic Trail · Wildlife Watching, Birdwatching · Find hotels
- Captain John Smith Chesapeake National Historic Trail · Wildlife Watching, Birdwatching · Find hotels
- Chesapeake Bay · Wildlife Watching · Find hotels
- Delaware Water Gap National Recreation Area · Wildlife Watching, Birdwatching · Find hotels
- Fort Necessity National Battlefield · Wildlife Watching, Birdwatching · Find hotels
- Friendship Hill National Historic Site · Wildlife Watching, Birdwatching · Find hotels
- Presque Isle SP (IBA) · 345 species recorded
- John Heinz NWR--impoundment (Philadelphia Co.) · 306 species recorded
- Middle Creek WMA (IBA) (Lancaster Co.) · 296 species recorded
- Peace Valley Park (IBA) · 296 species recorded
- Green Lane Park · 293 species recorded
- Presque Isle SP--Gull Pt. · 293 species recorded
Birding hotspots via eBird (Cornell Lab).
Recent great horned owl sightings
- Samuel S. Lewis SP · 2026-07-20 12:51 · 1 seen
- 101 Critchlow Way, Harrisville US-PA 41.14108, -80.01551 · 2026-07-20 08:59 · 1 seen
- Blue Knob · 2026-07-20 04:57 · 1 seen
- Trout Run Rd, York US-PA (40.0207,-76.6747) · 2026-07-20 04:35 · 1 seen
- My yard and neighborhood, Frackville · 2026-07-20 04:05 · 1 seen
More wildlife in Pennsylvania