Blackburnian Warbler

Often confused with

• Black-throated Green Warbler Setophaga virens63 identifications worldwide named one where the other was meant
• Blackpoll Warbler Setophaga striata35 identifications worldwide named one where the other was meant
• Cape May Warbler Setophaga tigrina24 identifications worldwide named one where the other was meant
• Yellow-throated Warbler Setophaga dominica23 identifications worldwide named one where the other was meant
• Prairie Warbler Setophaga discolor18 identifications worldwide named one where the other was meant

From iNaturalist’s similar-species counts, refreshed monthly: confusions in Ohio first, then worldwide. Only species with an Ohio result are listed.

When each is reported

• All recordsUsually early May to mid-September, middle week mid-May · 677 records
• Reported as maleUsually early May to mid-May, middle week early May · 34 records

Not every photo is marked with a sex or a sign, so these show when people reported each, not when it happens.

Months not reported

Not reported in Ohio in July and November to March, 2016 to 2025.

Time of day it is recorded

From 652 Ohio records with a time. Most records are made when people are outside, so night and early-morning species are under-recorded.

Land cover where it is recorded

From 244 records placed within 100 m, beside all Ohio records placed the same way. People record where they go, so this shows where records come from, not where the species lives. Land cover: USGS Annual NLCD, 2025 (opens in a new tab)