Brown Thrashers in North Dakota
When brown thrashers are present in North Dakota, when they nest, which native North Dakota plants feed them, and how to host them in a USDA 3a–4b yard.
- Status in North Dakota
- Summer breeder
- Nesting window
- May–July
- Broods
- 1–2 per season
- Hardiness zones
- USDA 3a–4b
When to expect brown thrashers in North Dakota
Brown Thrashers are summer residents in North Dakota, arriving shortly before nesting begins in May and leaving after the young are independent. Through the season they feed on beetles and caterpillars.
Continental northern prairie with prairie-pothole wetlands and the Missouri River breaks.
Nesting in North Dakota
Across North Dakota, brown thrashers typically nest from May–July. Nest site: twig cup low in thorny shrubs. Females lay 3–5 eggs, incubate for 11–14 days, and young leave the nest after 9–13 days.
Short, warm summers with a peak nesting season in June.
- Brown Thrashers don't use nest boxes. Keep dense native shrubs and trees such as eastern red cedar, smooth sumac, bur oak for nest sites.
- Delay heavy pruning of shrubs until after July.
Native North Dakota plants that attract brown thrashers
Of the regional native plants we track for North Dakota, these 8 provide food or cover brown thrashers use:
Dense evergreen roost cover and bluish 'berries' eaten through winter.
Red fruit heads hang on through winter.
Drought-hardy prairie oak with large acorns and a heavy insect load.
Summer fruit and one of the top caterpillar host trees.
Late-summer berry clusters taken by over 40 bird species.
Blue fruit on red stems in early fall.
Late nectar for insects and fall seed for sparrows.
Insect-rich in fall and seed in winter.
Feeding brown thrashers through the North Dakota year
Thrashers sweep leaf litter with their bills; keep leaves under shrubs.
- Best foods: Suet, Cracked corn, Mealworms.
- In North Dakota's summer: offer water and insect foods; natural food is abundant.
Full diet breakdown for brown thrashers · Best feeder for brown thrashers
Frequently asked
Are brown thrashers in North Dakota year-round?
No. Brown Thrashers are summer breeders in North Dakota and leave for the winter.
When do brown thrashers nest in North Dakota?
Nesting in North Dakota typically runs May–July, with 1–2 per season. Clutches are 3–5 eggs, incubated for 11–14 days.
What native plants attract brown thrashers in North Dakota?
Eastern red cedar, Smooth sumac, Bur oak, Black cherry, American elderberry, Virginia creeper, New England aster, Tall goldenrod are native plants in North Dakota that provide food or cover for brown thrashers.
Brown Thrashers in other regions
Other backyard birds in North Dakota
Sources
- Brown Thrasher — All About Birds, Cornell Lab of Ornithology
- Brown Thrasher life history — Cornell Lab of Ornithology
- Brown Thrasher — Audubon Guide to North American Birds
- eBird region overview and bar charts — North Dakota
- 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.