New Brunswick · Summer breeder

Swamp Sparrows in New Brunswick

When swamp sparrows are present in New Brunswick, when they nest, which native New Brunswick plants feed them, and how to host them in a Canada 3a–5b yard.

New World sparrows (Passerellidae)Swamp SparrowMelospiza georgiana
Status in New Brunswick
Summer breeder
Nesting window
June–July
Broods
1–2 per season
Hardiness zones
Canada 3a–5b

When to expect swamp sparrows in New Brunswick

Swamp Sparrows are summer residents in New Brunswick, arriving shortly before nesting begins in June and leaving after the young are independent.

Humid continental with Bay of Fundy and Gulf of St. Lawrence coastlines and extensive forest.

Nesting in New Brunswick

Across New Brunswick, swamp sparrows typically nest from June–July. Plan around that window: May for setup, July for clean-out.

Mild summers.

  • Swamp Sparrows don't use nest boxes. Keep dense native shrubs and trees such as serviceberry, bur oak, black cherry for nest sites.
  • Delay heavy pruning of shrubs until after July.

Native New Brunswick plants that attract swamp sparrows

Of the regional native plants we track for New Brunswick, these 8 provide food or cover swamp sparrows use:

Serviceberry
Amelanchier arborea · Tree

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

Bur oak
Quercus macrocarpa · Tree

Drought-hardy prairie oak with large acorns and a heavy insect load.

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.

Black-eyed Susan
Rudbeckia hirta · Perennial

Prolific seed heads for finches and sparrows.

New England aster
Symphyotrichum novae-angliae · Perennial

Late nectar for insects and fall seed for sparrows.

Little bluestem
Schizachyrium scoparium · Perennial

Native bunchgrass; winter seed and ground cover for sparrows and juncos.

Feeding swamp sparrows through the New Brunswick year

  • Top foods: Millet, Hulled sunflower (on the ground).
  • In New Brunswick's summer: offer water and insect foods; natural food is abundant.

Full diet breakdown for swamp sparrows · Best feeder for swamp sparrows

Frequently asked

Are swamp sparrows in New Brunswick year-round?

No. Swamp Sparrows are summer breeders in New Brunswick and leave for the winter.

When do swamp sparrows nest in New Brunswick?

Nesting in New Brunswick typically runs June–July, with 1–2 per season. Clutches are 1–6 eggs, incubated for 12–15 days.

What native plants attract swamp sparrows in New Brunswick?

Serviceberry, Bur oak, Black cherry, American elderberry, Arrowwood viburnum, Black-eyed Susan, New England aster, Little bluestem are native plants in New Brunswick that provide food or cover for swamp sparrows.

Swamp Sparrows in other regions

Other backyard birds in New Brunswick

Northern CardinalEastern BluebirdBlack-capped ChickadeePurple MartinDowny WoodpeckerHairy WoodpeckerAmerican GoldfinchWhite-breasted NuthatchHouse WrenPurple FinchRuby-throated HummingbirdMourning DoveAmerican RobinDark-eyed JuncoWhite-throated SparrowSong SparrowChipping SparrowNorthern FlickerPileated WoodpeckerYellow-bellied SapsuckerRed-breasted NuthatchBrown CreeperCommon GrackleRed-winged BlackbirdBaltimore OrioleRose-breasted GrosbeakEvening GrosbeakPine SiskinCommon RedpollIndigo BuntingGray CatbirdCedar WaxwingTree SwallowBarn SwallowEastern PhoebeChimney SwiftYellow-rumped WarblerGreat Crested FlycatcherEastern KingbirdAmerican Tree SparrowHouse SparrowEuropean StarlingCanada JayAmerican CrowCommon RavenCooper's HawkSharp-shinned HawkRed-tailed HawkBarred OwlGreat Horned OwlAmerican KestrelWood DuckWild TurkeyMallardGreat Blue HeronBelted KingfisherScarlet TanagerBrown-headed CowbirdRuby-crowned KingletGolden-crowned KingletHermit ThrushWinter WrenPine GrosbeakRed CrossbillGray CatbirdHooded MerganserYellow WarblerCommon YellowthroatAmerican RedstartBlack-and-white WarblerOvenbirdOrange-crowned WarblerPalm WarblerRed-eyed VireoWarbling VireoEastern Wood-PeweeLeast FlycatcherCliff SwallowNorthern Rough-winged SwallowBank SwallowCommon NighthawkEastern Whip-poor-willCanada GooseAmerican CootKilldeerSpotted SandpiperAmerican WoodcockGreen HeronTurkey VultureOspreyBald EagleRed-shouldered HawkMerlinPeregrine FalconNorthern Saw-whet OwlBlack-backed WoodpeckerAmerican Three-toed WoodpeckerSavannah SparrowVesper SparrowSnow BuntingHorned LarkCommon RedpollHoary RedpollWhite-winged CrossbillBohemian WaxwingBobolinkRusty BlackbirdRock Pigeon

Sources

  1. Swamp Sparrow — All About Birds, Cornell Lab of Ornithology
  2. Swamp Sparrow life history — Cornell Lab of Ornithology
  3. Swamp Sparrow — Audubon Guide to North American Birds
  4. eBird region overview and bar charts — New Brunswick
  5. Plant Hardiness Zones of Canada — Natural Resources Canada
  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.