Peregrine Falcons in Idaho
When peregrine falcons are present in Idaho, when they nest, which native Idaho plants feed them, and how to host them in a USDA 3b–7b yard.
- Status in Idaho
- Year-round resident
- Nesting window
- March–June
- Broods
- 1 per season
- Hardiness zones
- USDA 3b–7b
When to expect peregrine falcons in Idaho
Peregrine Falcons live in Idaho all year. Cold winters with inversions in the valleys; mountain finches and Bohemian Waxwings move into towns. That makes the cold months the time your yard matters most to them.
Semi-arid sagebrush plains along the Snake River and forested mountains to the north and center.
Nesting in Idaho
Across Idaho, peregrine falcons typically nest from March–June. Plan around that window: February for setup, June for clean-out.
Hot, dry summers in the Snake River Plain and cool mountain summers.
- Peregrine Falcons don't use nest boxes. Keep dense native shrubs and trees such as paper birch, chokecherry, common hackberry for nest sites.
- Delay heavy pruning of shrubs until after June.
Native Idaho plants that attract peregrine falcons
Of the regional native plants we track for Idaho, these 8 provide food or cover peregrine falcons use:
Insect-rich in fall and seed in winter.
Catkin seed feeds redpolls and siskins all winter.
Dark summer fruit and heavy caterpillar load.
Sweet dry fruit on the branch all winter.
Seeds and bark insects; pygmy nuthatch and woodpecker habitat.
Late-season bloom supports insects; seed for sparrows.
Seed for crossbills, siskins and chickadees.
Early catkins draw insects for arriving warblers and hummingbirds.
Feeding peregrine falcons through the Idaho year
- Top foods: None — a city ledge or cliff is the habitat.
- In Idaho's winter: Cold winters with inversions in the valleys; mountain finches and Bohemian Waxwings move into towns.
Full diet breakdown for peregrine falcons · Best feeder for peregrine falcons
Frequently asked
Are peregrine falcons in Idaho year-round?
Yes. Peregrine Falcons are year-round residents in Idaho.
When do peregrine falcons nest in Idaho?
Nesting in Idaho typically runs March–June, with 1 per season. Clutches are 2–5 eggs, incubated for 33–35 days.
What native plants attract peregrine falcons in Idaho?
Tall goldenrod, Paper birch, Chokecherry, Common hackberry, Ponderosa pine, Rabbitbrush, Douglas fir, Willow (Bebb) are native plants in Idaho that provide food or cover for peregrine falcons.
Peregrine Falcons in other regions
Other backyard birds in Idaho
Sources
- Peregrine Falcon — All About Birds, Cornell Lab of Ornithology
- Peregrine Falcon life history — Cornell Lab of Ornithology
- Peregrine Falcon — Audubon Guide to North American Birds
- eBird region overview and bar charts — Idaho
- 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.