Common Grackles in South Dakota
When grackles are present in South Dakota, when they nest, which native South Dakota plants feed them, and how to host them in a USDA 3b–5b yard.
- Status in South Dakota
- Summer breeder
- Nesting window
- April–June
- Broods
- 1–2 per season
- Hardiness zones
- USDA 3b–5b
When to expect grackles in South Dakota
Common Grackles are summer residents in South Dakota, arriving shortly before nesting begins in April and leaving after the young are independent. Through the season they feed on beetles, grasshoppers and earthworms.
Continental, with prairie east of the Missouri River and the forested Black Hills in the west.
Nesting in South Dakota
Across South Dakota, grackles typically nest from April–June. Nest site: bulky cup in dense conifers, often in loose colonies. Females lay 4–6 eggs, incubate for 13–14 days, and young leave the nest after 12–15 days.
Warm summers with thunderstorms; the Black Hills host western mountain birds.
- Common Grackles don't use nest boxes. Keep dense native shrubs and trees such as bur oak, sugar maple for nest sites.
- Delay heavy pruning of shrubs until after June.
Native South Dakota plants that attract grackles
Of the regional native plants we track for South Dakota, these 8 provide food or cover grackles use:
Drought-hardy prairie oak with large acorns and a heavy insect load.
Tubular flowers for hummingbirds and seed heads for finches.
Prolific seed heads for finches and sparrows.
Annual native sunflower — the original feeder seed.
Late nectar for insects and fall seed for sparrows.
Native bunchgrass; winter seed and ground cover for sparrows and juncos.
Insect-rich in fall and seed in winter.
Hosts hundreds of caterpillar species; spring flowers draw early insects.
Feeding grackles through the South Dakota year
Grackles arrive in flocks and can dominate open feeders; weight-activated and caged feeders help keep smaller birds fed.
- Best foods: Cracked corn, Sunflower.
- In South Dakota's summer: offer water and insect foods; natural food is abundant.
Frequently asked
Are grackles in South Dakota year-round?
No. Common Grackles are summer breeders in South Dakota and leave for the winter.
When do grackles nest in South Dakota?
Nesting in South Dakota typically runs April–June, with 1–2 per season. Clutches are 4–6 eggs, incubated for 13–14 days.
What native plants attract grackles in South Dakota?
Bur oak, Wild bergamot, Black-eyed Susan, Common sunflower, New England aster, Little bluestem, Tall goldenrod, Sugar maple are native plants in South Dakota that provide food or cover for grackles.
Common Grackles in other regions
Other backyard birds in South Dakota
Sources
- Common Grackle — All About Birds, Cornell Lab of Ornithology
- Common Grackle life history — Cornell Lab of Ornithology
- Common Grackle — Audubon Guide to North American Birds
- eBird region overview and bar charts — South 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.