Red Crossbills in Pennsylvania
When red crossbills are present in Pennsylvania, when they nest, which native Pennsylvania plants feed them, and how to host them in a USDA 5a–7b yard.
- Status in Pennsylvania
- Year-round resident
- Nesting window
- January–December
- Broods
- 1–2 per season
- Hardiness zones
- USDA 5a–7b
When to expect red crossbills in Pennsylvania
Red Crossbills live in Pennsylvania all year. Snow cover makes suet and heated water valuable; both chickadee species meet in a narrow hybrid zone across the south of the state. That makes the cold months the time your yard matters most to them.
Humid continental; cold, snowy winters in the north and mountains, milder in the southeast.
Nesting in Pennsylvania
Across Pennsylvania, red crossbills typically nest from January–December. Plan around that window: January for setup, December for clean-out.
Warm summers; bluebirds typically raise two broods.
- Red Crossbills don't use nest boxes. Keep dense native shrubs and trees such as eastern red cedar, eastern white pine, eastern hemlock for nest sites.
- Delay heavy pruning of shrubs until after December.
Native Pennsylvania plants that attract red crossbills
Of the regional native plants we track for Pennsylvania, these 5 provide food or cover red crossbills use:
Dense evergreen roost cover and bluish 'berries' eaten through winter.
Seed-rich cones and year-round shelter.
Small cones for siskins and chickadees; dense winter roosting.
Spruce-budworm habitat and dense winter roosting cover.
Deciduous conifer with small cones for siskins and redpolls.
Feeding red crossbills through the Pennsylvania year
- Top foods: Black-oil sunflower, Hulled sunflower.
- In Pennsylvania's winter: Snow cover makes suet and heated water valuable; both chickadee species meet in a narrow hybrid zone across the south of the state.
Full diet breakdown for red crossbills · Best feeder for red crossbills
Frequently asked
Are red crossbills in Pennsylvania year-round?
Yes. Red Crossbills are year-round residents in Pennsylvania.
When do red crossbills nest in Pennsylvania?
Nesting in Pennsylvania typically runs January–December, with 1–2 per season. Clutches are 2–5 eggs, incubated for 12–16 days.
What native plants attract red crossbills in Pennsylvania?
Eastern red cedar, Eastern white pine, Eastern hemlock, Balsam fir, Tamarack are native plants in Pennsylvania that provide food or cover for red crossbills.
Red Crossbills in other regions
Other backyard birds in Pennsylvania
Sources
- Red Crossbill — All About Birds, Cornell Lab of Ornithology
- Red Crossbill life history — Cornell Lab of Ornithology
- Red Crossbill — Audubon Guide to North American Birds
- eBird region overview and bar charts — Pennsylvania
- 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.