When do Brewer's blackbirds arrive in South Dakota?
The Brewer's Blackbird is a summer breeder in South Dakota — here is when to expect it, when it leaves, and how to be ready.
Brewer's Blackbird timing in South Dakota
- Arrives
- Around March
- Leaves
- By August
- Status here
- Summer breeder
- Nesting season
- April–July
- Present roughly
- March–August
In South Dakota, Brewer's blackbirds are present through the warm months, arriving around March and heading south again by August.
These windows are set by latitude: South Dakota sits in the middle part of this species' range, so timing here tracks the continental average closely. In any given year, weather can move the first arrivals by a week or two either way.
Month by month in this state
Highlighted months are when Brewer's blackbirds are expected in South Dakota. The edges of the window are the interesting weeks — first arrivals and last departures vary most from year to year.
Getting ready before they arrive
The week before March is the time to act. Have feeders cleaned, filled and out by early March — the first Brewer's blackbirds into South Dakota are scouting for reliable food, and a station that's ready early gets added to their route.
Once nesting begins around April, adults switch to protein-rich food for their young and visits to feeders become quick and purposeful. Expect the busiest activity at dawn.
What Brewer's blackbirds eat while they're here
- Grasshoppers, beetles, caterpillars and spiders
The confident black bird of western parking lots and picnic areas; walks rather than hops.
Full Brewer's Blackbird diet guide → · Best feeder for Brewer's blackbirds →
Native plants that hold Brewer's blackbirds in South Dakota
Food keeps a migrant for a day; habitat keeps it for the season. These South Dakota-native plants are known to attract Brewer's blackbirds:
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.
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.
Keep exploring
Frequently asked
When do Brewer's blackbirds arrive in South Dakota?
Brewer's blackbirds typically arrive in South Dakota around March, with nesting underway by April. Timing can shift a week or two with the weather in any given year.
When do Brewer's blackbirds leave South Dakota?
Most Brewer's blackbirds have left South Dakota by August. They spend the winter farther south and return the following spring.
Do Brewer's blackbirds stay in South Dakota all year?
No — in South Dakota the Brewer's Blackbird is a summer breeder, present roughly March–August. Outside that window it is rarely seen in the state.
What should I put out before Brewer's blackbirds arrive in South Dakota?
Have feeders up and clean by early March — first arrivals scout reliable food sources. Good offerings for this species: grasshoppers, beetles, caterpillars and spiders.
Sources
- Brewer's Blackbird — All About Birds, Cornell Lab of Ornithology
- Brewer's Blackbird life history — Cornell Lab of Ornithology
- Brewer's Blackbird — 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.