Nest boxes · Nova Scotia

Birdhouses for Nova Scotia

13 cavity-nesting birds breed in Nova Scotia. The first starts nesting in February, so the box season opens in January.

Local conditions

Growing zones
Canadian zones 5a–7a (roughly USDA 4–6 equivalent)
Winter
Damp cold and wind chill; sheltered feeding stations and suet help small birds through storms.
Summer
Cool summers delay nesting compared with inland regions at similar latitude.
Box nesters
13 (8 year-round residents)
Hole sizes needed
11 distinct

Maritime — cool summers, snowy but ocean-moderated winters, fog and wind along the coast.

Box calendar for Nova Scotia

BirdStatusHoleHeightUp byNestingClean out
Barred OwlYear-round resident7–8 in12–20 ftJanuaryFebruary–MayJune
White-breasted NuthatchYear-round resident1 1/4 in round5–20 ftMarchApril–JuneJuly
American KestrelYear-round resident3 in10–30 ftMarchApril–JuneJuly
Northern Saw-whet OwlYear-round resident2 1/2 in10–20 ftMarchApril–JuneJuly
Eastern Bluebird
Scarce and local breeder.
Summer breeder1 1/2 in round (1 9/16 in for Mountain/Western overlap)4–6 ft on a baffled poleAprilMay–JulyAugust
Black-capped ChickadeeYear-round resident1 1/8 in round5–15 ftAprilMay–JulyAugust
Downy WoodpeckerYear-round resident1 1/4 in round5–20 ft, box packed with wood shavingsAprilMay–JulyAugust
Hairy WoodpeckerYear-round resident1 1/2 in round8–20 ft, box packed with wood shavingsAprilMay–JuneJuly
Northern FlickerSummer breeder2 1/2 in6–20 ftAprilMay–JuneJuly
Purple MartinSummer breeder1 3/4–2 1/8 in round, or starling-resistant crescent (3 × 1 3/16 in)10–20 ft on a telescoping pole, 40+ ft from treesMayJune–JulyAugust
House Wren
Uncommon breeder.
Summer breeder1 to 1 1/8 in round5–10 ft near shrubsMayJune–AugustSeptember
Red-breasted NuthatchYear-round resident1 1/4 in5–15 ftMayJune–JuneJuly
Tree SwallowSummer breeder1 1/2 in5–10 ftMayJune–JuneJuly

Nesting windows are shifted from each species' mid-latitude season by Nova Scotia's latitude; year-round residents may also roost in boxes over winter, so clean them out in autumn and leave them up.

Bird guides for Nova Scotia

Frequently asked

When should I put up a birdhouse in Nova Scotia?

By January for the earliest local nester, the Barred Owl, which starts nesting around February.

Which birds use nest boxes in Nova Scotia?

Barred Owl, White-breasted Nuthatch, American Kestrel, Northern Saw-whet Owl, Eastern Bluebird, Black-capped Chickadee, Downy Woodpecker, Hairy Woodpecker, Northern Flicker, Purple Martin, House Wren, Red-breasted Nuthatch, Tree Swallow.

What hole size should a Nova Scotia birdhouse have?

It depends on the bird: the 13 local box nesters use 11 different hole sizes. See the table for each species.

Sources

  1. NestWatch nest box plans and species requirements — Cornell Lab
  2. eBird region overview and bar charts — Nova Scotia
  3. Plant Hardiness Zones of Canada — Natural Resources Canada
  4. Audubon Native Plants Database
  5. Maritimes Breeding Bird Atlas

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.