Massachusetts · Year-round resident

Northern Saw-whet Owls in Massachusetts

When saw-whet owls are present in Massachusetts, when they nest, which native Massachusetts plants feed them, and how to host them in a USDA 5a–7b yard.

Owls (Strigidae)Northern Saw-whet OwlAegolius acadicus
Status in Massachusetts
Year-round resident
Nesting window
March–June
Broods
1–2 per season
Hardiness zones
USDA 5a–7b
Nest box
2 1/2 in hole, 6 × 6 in floor, 10–20 ft

When to expect saw-whet owls in Massachusetts

Northern Saw-whet Owls live in Massachusetts all year. Snowy winters with nor'easters; Cape Cod is milder and holds more half-hardy birds. That makes the cold months the time your yard matters most to them.

Humid continental with maritime influence on Cape Cod and the islands.

Nesting in Massachusetts

Across Massachusetts, saw-whet owls typically nest from March–June. Plan around that window: February for setup, June for clean-out.

Warm summers; nesting peaks late May to July.

  • Have boxes cleaned and mounted before February — saw-whet owls begin prospecting ahead of egg-laying.
  • Use a 2 1/2 in entrance on a 6 × 6 in floor, mounted 10–20 ft.
  • Fit a pole baffle or hole guard; ventilation gaps and drainage holes are essential.
  • Clean out old nests after each brood and again after June.

Native Massachusetts plants that attract saw-whet owls

Of the regional native plants we track for Massachusetts, these 8 provide food or cover saw-whet owls use:

Flowering dogwood
Cornus florida · Tree

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

Eastern red cedar
Juniperus virginiana · Tree

Dense evergreen roost cover and bluish 'berries' eaten through winter.

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.

Feeding saw-whet owls through the Massachusetts year

  • Top foods: None — a saw-whet box in dense conifers is the draw.
  • In Massachusetts's winter: Snowy winters with nor'easters; Cape Cod is milder and holds more half-hardy birds.

Full diet breakdown for saw-whet owls · Best feeder for saw-whet owls

Frequently asked

Are saw-whet owls in Massachusetts year-round?

Yes. Northern Saw-whet Owls are year-round residents in Massachusetts.

When do saw-whet owls nest in Massachusetts?

Nesting in Massachusetts typically runs March–June, with 1–2 per season. Clutches are 4–7 eggs, incubated for 27–29 days.

What native plants attract saw-whet owls in Massachusetts?

Flowering dogwood, Eastern red cedar, Serviceberry, White oak, Black cherry, American elderberry, Arrowwood viburnum, Spicebush are native plants in Massachusetts that provide food or cover for saw-whet owls.

What size birdhouse hole do saw-whet owls need?

2 1/2 in, with a floor of 6 × 6 in mounted 10–20 ft.

Northern Saw-whet Owls in other regions

Other backyard birds in Massachusetts

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 SiskinCommon RedpollIndigo 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 SwallowBank SwallowCommon NighthawkEastern Whip-poor-willCanada GooseAmerican CootKilldeerSpotted SandpiperAmerican WoodcockGreen HeronGreat EgretBlack-crowned Night HeronTurkey VultureOspreyBald EagleRed-shouldered HawkMerlinPeregrine FalconBlack-backed WoodpeckerSavannah SparrowSwamp SparrowVesper SparrowSnow BuntingHorned LarkCommon RedpollHoary RedpollWhite-winged CrossbillBohemian WaxwingYellow-billed CuckooBobolinkRock Pigeon

Sources

  1. Northern Saw-whet Owl — All About Birds, Cornell Lab of Ornithology
  2. Northern Saw-whet Owl life history — Cornell Lab of Ornithology
  3. Northern Saw-whet Owl — Audubon Guide to North American Birds
  4. NestWatch nest box plans and species requirements — Cornell Lab
  5. eBird region overview and bar charts — Massachusetts
  6. USDA Plant Hardiness Zone Map (2023)
  7. 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.