Greetings From what I can see on eBird November 12th is the latest ever recorded Blue-winged Warbler sighting in Ontario. Possibly there are other records? I would enjoy knowing for sure. Regards Robert Codd Port McNicoll ON eBird checklist S154308462 November 12 2023. https://ebird.org/canada/checklist/S154308462 Observed and photographed by Robert and Susan Codd.