Owls in Ontario
Our list for Ontario has 8 owls recorded regularly there: 1 resident and 7 winter visitors
Most likely in October
GBIF · OctShare of all bird records in Ontario in October, 2019–2024. Each month links to that month’s page.
All 8, most common first
Snowy OwlBubo scandiacusWinter visitorUncommon52–71 cmRegularly Nov–Mar
Barred OwlStrix variaResidentUncommon43–50 cmRecorded all year
Eastern Screech-owlMegascops asioWinter visitorUncommon16–25 cmRecorded all year
Great Horned OwlBubo virginianusWinter visitorUncommon46–63 cmRecorded all year
Short-eared OwlAsio flammeusWinter visitorUncommon34–43 cmRegularly Oct–Apr
Northern Saw-whet OwlAegolius acadicusWinter visitorUncommon17–21 cmRegularly Sep–Apr
Long-eared OwlAsio otusWinter visitorRare35–40 cmRegularly Oct–May
Boreal OwlAegolius funereusWinter visitorRare21–28 cmRegularly Sep–Jun
Smallest to largest
Length, cmData: EOD – eBird Observation Dataset (Cornell Lab of Ornithology), accessed via GBIF.org, CC BY 4.0. Records from 2019–2024, aggregated and filtered by Birdfact. How these lists are made