Northern Saw-whet Owl in April

April is when spring migration hits its stride. Waves of migrants move north on warm southerly winds, wintering birds leave for good, and early nesters are already on eggs in the South. Every week brings species that weren't there the week before.

For the Northern Saw-whet Owl specifically, April is a spring month inside the nesting season — one of the most active and demanding periods of this bird's year. Across the 62 states and provinces where saw-whet owls occur, what the bird is doing this month depends heavily on latitude — the details below break it down by band.

Southern states

absent

Mid-latitudes

year-round resident

Northern states & Canada

absent

In April, saw-whet owls are absent in the South, year-round resident across the mid-latitudes, and absent in the northern states and Canada. That north–south split is the defining feature of this month: where you live changes which version of this bird you're looking at.

April is inside the Northern Saw-whet Owl nesting season. Nest: old woodpecker cavity or nest box in mixed forest. Clutch 4–7 eggs, incubation 27–29 days, 1–2 per season.

The season is broadly synchronized across the range this month. During the nesting months, adults switch to protein-rich foods for their young, become more secretive around the nest site, and often visit feeders in quick, purposeful trips rather than lingering.

Northern Saw-whet Owl nest box dimensions and mounting →

• Deer mice, voles and shrews

Astonishingly tame when roosting in dense conifers by day; uses nest boxes readily.

Migrants arriving after long flights are hungry — feeders can be genuine lifelines during cold, wet spells that suppress insects.

Full Northern Saw-whet Owl diet guide → · Best feeder for saw-whet owls →

In April, the best watching is around food rather than the nest — adults make repeated foraging trips and are most visible at dawn and dusk. Give nesting birds space: if a bird is carrying food or scolding you persistently, you're close to a nest and should back off.

If you have a Northern Saw-whet Owl box up, watch from a distance for comings and goings — steady traffic means an active nest — the box guide below has the exact hole size and mounting height this species needs.

AlabamaAlaskaAlbertaArizonaArkansasBritish ColumbiaCaliforniaColoradoConnecticutDelawareFloridaGeorgiaIdahoIllinoisIndianaIowaKansasKentuckyLouisianaMaine