Uncommon Birds in Ontario
Our list for Ontario has 79 uncommon birds recorded regularly there: 6 residents, 34 summer visitors, 27 winter visitors and 12 passage migrants
Most likely in October
GBIF · Oct
Share of all bird records in Ontario in October, 2019–2024. Each month links to that month’s page.
All 79, most common first
Purple MartinProgne subisSummer visitorUncommon18–20 cmRegularly Apr–Sep
Mourning WarblerGeothlypis philadelphiaSummer visitorUncommon10–15 cmRegularly May–Sep
Marsh WrenCistothorus palustrisSummer visitorUncommon10–14 cmRegularly Apr–Oct
Eastern BluebirdSialia sialisResidentUncommon16–21 cmRecorded all year
Philadelphia VireoVireo philadelphicusSummer visitorUncommon11–13 cmRegularly May–Sep
Broad-winged HawkButeo platypterusSummer visitorUncommon34–44 cmRegularly Apr–Oct
Willow FlycatcherEmpidonax trailliiSummer visitorUncommon13–17 cmRegularly May–Aug
Ruffed GrouseBonasa umbellusResidentUncommon41–50 cmRecorded all year
Horned GrebePodiceps auritusWinter visitorUncommon31–38 cmRegularly Sep–May
Ruddy DuckOxyura jamaicensisWinter visitorUncommon35–43 cmRecorded all year
Sand MartinRiparia ripariaSummer visitorUncommon12–14 cmRegularly Apr–Sep
Black-crowned Night-heronNycticorax nycticoraxSummer visitorUncommon58–65 cmRegularly Apr–Feb
Iceland GullLarus glaucoidesWinter visitorUncommon52–60 cmRegularly Nov–Apr
SanderlingCalidris albaPassage migrantUncommon18–20 cmRegularly May–Nov
Pectoral SandpiperCalidris melanotosPassage migrantUncommon19–23 cmRegularly Apr–Nov
DunlinCalidris alpinaPassage migrantUncommon16–22 cmRegularly Apr–Dec
Black-billed CuckooCoccyzus erythropthalmusSummer visitorUncommon28–32 cmRegularly May–Sep
Red-necked GrebePodiceps grisegenaSummer visitorUncommon40–50 cmRecorded all year
Glaucous GullLarus hyperboreusWinter visitorUncommon62–68 cmRegularly Nov–Apr
Peregrine FalconFalco peregrinusWinter visitorUncommon34–58 cmRecorded all year
Surf ScoterMelanitta perspicillataWinter visitorUncommon48–60 cmRegularly Oct–May
Lincoln's SparrowMelospiza lincolniiSummer visitorUncommon13–15 cmRegularly May–Oct
Red CrossbillLoxia curvirostraWinter visitorUncommon15–17 cmRecorded all year
Data: 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