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.
- 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:
Fat-rich red fall fruit taken by thrushes, bluebirds and woodpeckers.
Dense evergreen roost cover and bluish 'berries' eaten through winter.
Early-summer berries arrive exactly when nestlings are being fed.
Acorns plus hundreds of caterpillar species for nestling food.
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 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
Sources
- Northern Saw-whet Owl — All About Birds, Cornell Lab of Ornithology
- Northern Saw-whet Owl life history — Cornell Lab of Ornithology
- Northern Saw-whet Owl — Audubon Guide to North American Birds
- NestWatch nest box plans and species requirements — Cornell Lab
- eBird region overview and bar charts — Massachusetts
- 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.