Chimney Swifts in Louisiana
When chimney swifts are present in Louisiana, when they nest, which native Louisiana plants feed them, and how to host them in a USDA 8a–10a yard.
- Status in Louisiana
- Summer breeder
- Nesting window
- April–July
- Broods
- 1 per season
- Hardiness zones
- USDA 8a–10a
When to expect chimney swifts in Louisiana
Chimney Swifts are summer residents in Louisiana, arriving shortly before nesting begins in April and leaving after the young are independent. Through the season they feed on flies, beetles, ants and aphids in flight.
Humid subtropical, with coastal marsh, bottomland hardwood forest and piney uplands in the north.
Nesting in Louisiana
Across Louisiana, chimney swifts typically nest from April–July. Nest site: half-cup of twigs glued with saliva inside chimneys. Females lay 4–5 eggs, incubate for 16–21 days, and young leave the nest after 28–30 days.
Very hot, humid summers and hurricane season June–November.
- Chimney Swifts don't use nest boxes. Keep dense native shrubs and trees such as flowering dogwood, serviceberry, white oak for nest sites.
- Delay heavy pruning of shrubs until after July.
Native Louisiana plants that attract chimney swifts
Of the regional native plants we track for Louisiana, these 8 provide food or cover chimney swifts use:
Fat-rich red fall fruit taken by thrushes, bluebirds and woodpeckers.
Early-summer berries arrive exactly when nestlings are being fed.
Acorns plus hundreds of caterpillar species for nestling food.
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-black fall fruit and dense nesting cover.
Lipid-rich red fruit fuels fall migrants.
Feeding chimney swifts through the Louisiana year
Leave an uncapped masonry chimney open April–October, or build a swift tower; populations have fallen by roughly two-thirds since 1966.
- Best foods: .
- In Louisiana's summer: offer water and insect foods; natural food is abundant.
Frequently asked
Are chimney swifts in Louisiana year-round?
No. Chimney Swifts are summer breeders in Louisiana and leave for the winter.
When do chimney swifts nest in Louisiana?
Nesting in Louisiana typically runs April–July, with 1 per season. Clutches are 4–5 eggs, incubated for 16–21 days.
What native plants attract chimney swifts in Louisiana?
Flowering dogwood, Serviceberry, White oak, Bur oak, Black cherry, American elderberry, Arrowwood viburnum, Spicebush are native plants in Louisiana that provide food or cover for chimney swifts.
Chimney Swifts in other regions
Other backyard birds in Louisiana
Sources
- Chimney Swift — All About Birds, Cornell Lab of Ornithology
- Chimney Swift life history — Cornell Lab of Ornithology
- Chimney Swift — Audubon Guide to North American Birds
- eBird region overview and bar charts — Louisiana
- 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.