Great Horned Owls in Connecticut
When great horned owls are present in Connecticut, when they nest, which native Connecticut plants feed them, and how to host them in a USDA 5b–7b yard.
- Status in Connecticut
- Year-round resident
- Nesting window
- January–April
- Broods
- 1 per season
- Hardiness zones
- USDA 5b–7b
When to expect great horned owls in Connecticut
Great Horned Owls live in Connecticut all year. Snowy winters with regular nor'easters; feeders carry chickadees, titmice and juncos through January and February. That makes the cold months the time your yard matters most to them.
Humid continental with maritime moderation along Long Island Sound.
Nesting in Connecticut
Across Connecticut, great horned owls typically nest from January–April. Plan around that window: January for setup, April for clean-out.
Warm, humid summers; peak nesting runs May through July.
- Great Horned Owls don't use nest boxes. Keep dense native shrubs and trees such as flowering dogwood, serviceberry, white oak for nest sites.
- Delay heavy pruning of shrubs until after April.
Native Connecticut plants that attract great horned owls
Of the regional native plants we track for Connecticut, these 8 provide food or cover great horned owls use:
Fat-rich red fall fruit taken by thrushes, bluebirds and woodpeckers.
Early-summer berries arrive exactly when nestlings are being fed.
Acorns plus hundreds of caterpillar species for nestling food.
Summer fruit and one of the top caterpillar host trees.
Late-summer berry clusters taken by over 40 bird species.
Blue-black fall fruit and dense nesting cover.
Lipid-rich red fruit fuels fall migrants.
Late nectar for insects and fall seed for sparrows.
Feeding great horned owls through the Connecticut year
- Top foods: None — hunts live prey after dark.
- In Connecticut's winter: Snowy winters with regular nor'easters; feeders carry chickadees, titmice and juncos through January and February.
Full diet breakdown for great horned owls · Best feeder for great horned owls
Frequently asked
Are great horned owls in Connecticut year-round?
Yes. Great Horned Owls are year-round residents in Connecticut.
When do great horned owls nest in Connecticut?
Nesting in Connecticut typically runs January–April, with 1 per season. Clutches are 1–4 eggs, incubated for 28–37 days.
What native plants attract great horned owls in Connecticut?
Flowering dogwood, Serviceberry, White oak, Black cherry, American elderberry, Arrowwood viburnum, Spicebush, New England aster are native plants in Connecticut that provide food or cover for great horned owls.
Great Horned Owls in other regions
Other backyard birds in Connecticut
Sources
- Great Horned Owl — All About Birds, Cornell Lab of Ornithology
- Great Horned Owl life history — Cornell Lab of Ornithology
- Great Horned Owl — Audubon Guide to North American Birds
- eBird region overview and bar charts — Connecticut
- USDA Plant Hardiness Zone Map (2023)
- Audubon Native Plants Database
Timing reflects typical patterns for the region as a whole; local dates vary with elevation and year. Check the linked eBird bar charts for your county.