Connecticut · Summer breeder

Bank Swallows in Connecticut

When bank swallows are present in Connecticut, when they nest, which native Connecticut plants feed them, and how to host them in a USDA 5b–7b yard.

Swallows (Hirundinidae)Bank SwallowRiparia riparia
Status in Connecticut
Summer breeder
Nesting window
May–July
Broods
1 per season
Hardiness zones
USDA 5b–7b

When to expect bank swallows in Connecticut

Bank Swallows are summer residents in Connecticut, arriving shortly before nesting begins in May and leaving after the young are independent.

Humid continental with maritime moderation along Long Island Sound.

Nesting in Connecticut

Across Connecticut, bank swallows typically nest from May–July. Plan around that window: April for setup, July for clean-out.

Warm, humid summers; peak nesting runs May through July.

  • Bank Swallows 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 Connecticut plants that attract bank swallows

Of the regional native plants we track for Connecticut, these 8 provide food or cover bank swallows use:

Flowering dogwood
Cornus florida · Tree

Fat-rich red fall fruit taken by thrushes, bluebirds and woodpeckers.

Serviceberry
Amelanchier arborea · Tree

Early-summer berries arrive exactly when nestlings are being fed.

White oak
Quercus alba · Tree

Acorns plus hundreds of caterpillar species for nestling food.

Black cherry
Prunus serotina · Tree

Summer fruit and one of the top caterpillar host trees.

American elderberry
Sambucus canadensis · Shrub

Late-summer berry clusters taken by over 40 bird species.

Arrowwood viburnum
Viburnum dentatum · Shrub

Blue-black fall fruit and dense nesting cover.

Spicebush
Lindera benzoin · Shrub

Lipid-rich red fruit fuels fall migrants.

New England aster
Symphyotrichum novae-angliae · Perennial

Late nectar for insects and fall seed for sparrows.

Feeding bank swallows through the Connecticut year

  • Top foods: None — sandy river banks are the habitat.
  • In Connecticut's summer: offer water and insect foods; natural food is abundant.

Full diet breakdown for bank swallows · Best feeder for bank swallows

Frequently asked

Are bank swallows in Connecticut year-round?

No. Bank Swallows are summer breeders in Connecticut and leave for the winter.

When do bank swallows nest in Connecticut?

Nesting in Connecticut typically runs May–July, with 1 per season. Clutches are 1–7 eggs, incubated for 13–16 days.

What native plants attract bank swallows in Connecticut?

Flowering dogwood, Serviceberry, White oak, Black cherry, American elderberry, Arrowwood viburnum, Spicebush, New England aster are native plants in Connecticut that provide food or cover for bank swallows.

Bank Swallows in other regions

Other backyard birds in Connecticut

Northern CardinalEastern BluebirdBlack-capped ChickadeePurple MartinDowny WoodpeckerHairy WoodpeckerAmerican GoldfinchTufted TitmouseWhite-breasted NuthatchHouse WrenHouse FinchPurple FinchRuby-throated HummingbirdCarolina WrenMourning DoveAmerican RobinDark-eyed JuncoWhite-throated SparrowSong SparrowChipping SparrowRed-bellied WoodpeckerNorthern FlickerPileated WoodpeckerYellow-bellied SapsuckerRed-breasted NuthatchBrown CreeperCommon GrackleRed-winged BlackbirdBaltimore OrioleRose-breasted GrosbeakEvening GrosbeakPine SiskinIndigo BuntingEastern TowheeGray CatbirdNorthern MockingbirdBrown ThrasherCedar WaxwingTree SwallowBarn SwallowEastern PhoebeChimney SwiftYellow-rumped WarblerPine WarblerEastern Screech-OwlWood ThrushGreat Crested FlycatcherEastern KingbirdAmerican Tree SparrowHouse SparrowEuropean StarlingFox SparrowAmerican CrowCooper's HawkSharp-shinned HawkRed-tailed HawkBarred OwlGreat Horned OwlAmerican KestrelWood DuckWild TurkeyMallardGreat Blue HeronBelted KingfisherScarlet TanagerEastern MeadowlarkBrown-headed CowbirdGolden-crowned KingletHermit ThrushWinter WrenPine GrosbeakRed CrossbillField SparrowGray CatbirdLark SparrowHooded MerganserYellow WarblerCommon YellowthroatAmerican RedstartBlack-and-white WarblerOvenbirdYellow-breasted ChatRed-eyed VireoWarbling VireoEastern Wood-PeweeLeast FlycatcherCliff SwallowNorthern Rough-winged SwallowCommon NighthawkEastern Whip-poor-willCanada GooseAmerican CootKilldeerSpotted SandpiperAmerican WoodcockGreen HeronGreat EgretBlack-crowned Night HeronTurkey VultureOspreyBald EagleRed-shouldered HawkMerlinPeregrine FalconNorthern Saw-whet OwlBlack-backed WoodpeckerSavannah SparrowSwamp SparrowVesper SparrowSnow BuntingHorned LarkHoary RedpollWhite-winged CrossbillBohemian WaxwingYellow-billed CuckooBobolinkRock PigeonMonk Parakeet

Sources

  1. Bank Swallow — All About Birds, Cornell Lab of Ornithology
  2. Bank Swallow life history — Cornell Lab of Ornithology
  3. Bank Swallow — Audubon Guide to North American Birds
  4. eBird region overview and bar charts — Connecticut
  5. USDA Plant Hardiness Zone Map (2023)
  6. 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.