Alberta · Summer breeder

American Kestrels in Alberta

When American are present in Alberta, when they nest, which native Alberta plants feed them, and how to host them in a Canada 2a–4b yard.

Falcons (Falconidae)American KestrelFalco sparverius
Status in Alberta
Summer breeder
Nesting window
April–June
Broods
1–2 per season
Hardiness zones
Canada 2a–4b
Nest box
3 in hole, 8 × 8 in floor, 10–30 ft

When to expect American in Alberta

American Kestrels are summer residents in Alberta, arriving shortly before nesting begins in April and leaving after the young are independent.

Continental — prairie in the southeast, aspen parkland in the center, boreal forest in the north and the Rockies in the west.

Nesting in Alberta

Across Alberta, American typically nest from April–June. Plan around that window: March for setup, June for clean-out.

Warm, sunny summers with long days.

  • Have boxes cleaned and mounted before March — American begin prospecting ahead of egg-laying.
  • Use a 3 in entrance on a 8 × 8 in floor, mounted 10–30 ft.
  • Fit a pole baffle or hole guard; ventilation gaps and drainage holes are essential.
  • Clean out old nests after each brood and again after June.

Native Alberta plants that attract American

Of the regional native plants we track for Alberta, these 8 provide food or cover American use:

Paper birch
Betula papyrifera · Tree

Catkin seed feeds redpolls and siskins all winter.

Chokecherry
Prunus virginiana · Shrub

Dark summer fruit and heavy caterpillar load.

Rabbitbrush
Ericameria nauseosa · Shrub

Late-season bloom supports insects; seed for sparrows.

Douglas fir
Pseudotsuga menziesii · Tree

Seed for crossbills, siskins and chickadees.

Balsam fir
Abies balsamea · Tree

Spruce-budworm habitat and dense winter roosting cover.

White spruce
Picea glauca · Tree

Cone crops drive winter irruptions of finches and crossbills.

Tamarack
Larix laricina · Tree

Deciduous conifer with small cones for siskins and redpolls.

Willow (Bebb)
Salix bebbiana · Shrub

Early catkins draw insects for arriving warblers and hummingbirds.

Feeding American through the Alberta year

  • Top foods: None — hunts in open ground; a kestrel box is the draw.
  • In Alberta's summer: offer water and insect foods; natural food is abundant.

Full diet breakdown for American · Best feeder for American

Frequently asked

Are American in Alberta year-round?

No. American Kestrels are summer breeders in Alberta and leave for the winter.

When do American nest in Alberta?

Nesting in Alberta typically runs April–June, with 1–2 per season. Clutches are 3–7 eggs, incubated for 26–32 days.

What native plants attract American in Alberta?

Paper birch, Chokecherry, Rabbitbrush, Douglas fir, Balsam fir, White spruce, Tamarack, Willow (Bebb) are native plants in Alberta that provide food or cover for American.

What size birdhouse hole do American need?

3 in, with a floor of 8 × 8 in mounted 10–30 ft.

American Kestrels in other regions

Other backyard birds in Alberta

Black-capped ChickadeePurple MartinDowny WoodpeckerHairy WoodpeckerAmerican GoldfinchWhite-breasted NuthatchHouse WrenPurple FinchRuby-throated HummingbirdMourning DoveAmerican RobinDark-eyed JuncoWhite-throated SparrowSong SparrowChipping SparrowNorthern FlickerPileated WoodpeckerYellow-bellied SapsuckerRed-breasted NuthatchBrown CreeperCommon GrackleRed-winged BlackbirdBaltimore OrioleRose-breasted GrosbeakEvening GrosbeakPine SiskinCommon RedpollGray CatbirdBrown ThrasherCedar WaxwingTree SwallowBarn SwallowEastern PhoebeYellow-rumped WarblerGreat Crested FlycatcherEastern KingbirdAmerican Tree SparrowHouse SparrowEuropean StarlingSteller's JayBlack-billed MagpieCanada JayMountain ChickadeeRufous HummingbirdSpotted TowheeMountain BluebirdSay's PhoebeWhite-crowned SparrowFox SparrowVaried ThrushViolet-green SwallowLazuli BuntingBullock's OrioleEurasian Collared-DoveAmerican CrowCommon RavenCooper's HawkSharp-shinned HawkRed-tailed HawkGreat Horned OwlMallardGreat Blue HeronBelted KingfisherBrown-headed CowbirdRuby-crowned KingletGolden-crowned KingletHermit ThrushWinter WrenPine GrosbeakRed CrossbillGray CatbirdWestern TanagerClark's NutcrackerWestern Screech-OwlYellow WarblerCommon YellowthroatAmerican RedstartBlack-and-white WarblerOvenbirdYellow-breasted ChatOrange-crowned WarblerPalm WarblerRed-eyed VireoWarbling VireoLeast FlycatcherWestern KingbirdCliff SwallowNorthern Rough-winged SwallowBank SwallowCommon NighthawkCanada GooseAmerican CootKilldeerSpotted SandpiperBlack-crowned Night HeronTurkey VultureOspreyBald EagleMerlinPeregrine FalconNorthern Saw-whet OwlBurrowing OwlLewis's WoodpeckerBlack-backed WoodpeckerAmerican Three-toed WoodpeckerSavannah SparrowSwamp SparrowVesper SparrowSnow BuntingLapland LongspurHorned LarkCommon RedpollHoary RedpollWhite-winged CrossbillGray-crowned Rosy-FinchBohemian WaxwingBobolinkYellow-headed BlackbirdBrewer's BlackbirdRusty BlackbirdRock Pigeon

Sources

  1. American Kestrel — All About Birds, Cornell Lab of Ornithology
  2. American Kestrel life history — Cornell Lab of Ornithology
  3. American Kestrel — Audubon Guide to North American Birds
  4. NestWatch nest box plans and species requirements — Cornell Lab
  5. eBird region overview and bar charts — Alberta
  6. Plant Hardiness Zones of Canada — Natural Resources Canada
  7. 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.