Gulls & Terns in Northwest Territories
Our list for Northwest Territories has 10 gulls & terns recorded regularly there: 7 summer visitors and 3 passage migrants
Most likely in October
GBIF · OctShare of all bird records in Northwest Territories in October, 2019–2024. Each month links to that month’s page.
All 10, most common first
Ring-billed GullLarus delawarensisSummer visitorCommon43–54 cmRegularly Apr–Oct
American Herring GullLarus smithsonianusSummer visitorCommon53–65 cmRegularly Apr–Oct
Bonaparte's GullChroicocephalus philadelphiaSummer visitorCommon28–38 cmRegularly May–Aug
Arctic TernSterna paradisaeaSummer visitorCommon33–39 cmRegularly May–Aug
Glaucous GullLarus hyperboreusSummer visitorCommon62–68 cmRegularly May–Oct
Iceland GullLarus glaucoidesPassage migrantCommon52–60 cmRegularly May–Oct
Common TernSterna hirundoSummer visitorCommon31–35 cmRegularly May–Aug
Sabine's GullXema sabiniPassage migrantUncommon27–33 cmRegularly Jun
Franklin's GullLeucophaeus pipixcanSummer visitorUncommon32–36 cmRegularly May–Aug
Black TernChlidonias nigerPassage migrantUncommon22–26 cmRegularly 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