White-crowned Sparrows in Alaska
When white-crowned sparrows are present in Alaska, when they nest, which native Alaska plants feed them, and how to host them in a USDA 1a–8a yard.
- Status in Alaska
- Summer breeder
- Nesting window
- June–July
- Broods
- 1–4 per season
- Hardiness zones
- USDA 1a–8a
When to expect white-crowned sparrows in Alaska
White-crowned Sparrows are summer residents in Alaska, arriving shortly before nesting begins in June and leaving after the young are independent. Through the season they feed on insects.
Subarctic interior, temperate rainforest in the Southeast panhandle, and Arctic tundra on the North Slope.
Nesting in Alaska
Across Alaska, white-crowned sparrows typically nest from June–July. Nest site: cup on or near the ground. Females lay 2–7 eggs, incubate for 11–14 days, and young leave the nest after 10 days.
A short, explosive summer with near-continuous daylight compresses nesting into a few weeks.
- White-crowned Sparrows don't use nest boxes. Keep dense native shrubs and trees such as paper birch, willow (bebb), dwarf birch for nest sites.
- Delay heavy pruning of shrubs until after July.
Native Alaska plants that attract white-crowned sparrows
Of the regional native plants we track for Alaska, these 4 provide food or cover white-crowned sparrows use:
Catkin seed feeds redpolls and siskins all winter.
Early catkins draw insects for arriving warblers and hummingbirds.
Catkin seed for redpolls on the tundra.
Tall magenta spikes are a key northern hummingbird flower.
Feeding white-crowned sparrows through the Alaska year
A classic winter sparrow of western yards and southern farmland.
- Best foods: Millet, Sunflower chips.
- In Alaska's summer: offer water and insect foods; natural food is abundant.
Full diet breakdown for white-crowned sparrows · Best feeder for white-crowned sparrows
Frequently asked
Are white-crowned sparrows in Alaska year-round?
No. White-crowned Sparrows are summer breeders in Alaska and leave for the winter.
When do white-crowned sparrows nest in Alaska?
Nesting in Alaska typically runs June–July, with 1–4 per season. Clutches are 2–7 eggs, incubated for 11–14 days.
What native plants attract white-crowned sparrows in Alaska?
Paper birch, Willow (Bebb), Dwarf birch, Fireweed are native plants in Alaska that provide food or cover for white-crowned sparrows.
White-crowned Sparrows in other regions
Other backyard birds in Alaska
Sources
- White-crowned Sparrow — All About Birds, Cornell Lab of Ornithology
- White-crowned Sparrow life history — Cornell Lab of Ornithology
- White-crowned Sparrow — Audubon Guide to North American Birds
- eBird region overview and bar charts — Alaska
- 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.