Blackburnian Warblers mostly pass through Rhode Island: the first show up in early May, they are common by the second week of May, peak in mid May (3.1% of checklists), and most are gone by late May.
When to look
First arrivalsMay 1-7early May
Common byMay 8-14the second week of May
PeakMay 15-21mid May
Most gone byMay 22-31late May
Best: mid May. First arrivals early May; most are gone by late May. Peak: on about 3.1% of Rhode Island checklists.
Jannot usually seen
Febnot usually seen
Marnot usually seen
Aprrare
Maypeak season
Junrare
Julnot usually seen
Augrare
Sepuncommon
Octrare
Novnot usually seen
Decnot usually seen
Darker months: more checklists report it. Outlined: peak month.
Share of complete checklists reporting it, by week (4 per month). Grey bars: fewer than 10 checklists, not counted.
Frequency is the share of complete checklists in Rhode Island that listed the bird, 2016–2025. It is not a head count, and it follows where and when people go birding. How to read it.
JanFebMarAprMayJunJulAugSepOctNovDec
today
0%few checklistsno data
Each county is shaded by the share of complete checklists there that listed the bird, blended with the weeks either side. Darker is more often. It follows where people watch birds, not how many birds there are. How to read it.
Sachem PondWashington County, best late September · 23 checklists that week, 174 in all5.7%
Busy spots report more of everything; compare the checklist counts before you drive anywhere.
Best time of day
In Rhode Island, the Blackburnian Warbler is most often listed on checklists started between 6 and 8 am (1.0% of those checklists).
Share of checklists started in each local hour that reported it. It reflects when people go birding as well as when birds are active. Grey hours have too few checklists (under 2% of the state’s, or under 200) to judge.Week-by-week table
Month
Days 1-7
8-14
15-21
22-end
January
0%
0%
0%
0%
February
0%
0%
0%
0%
March
0%
0%
0%
0%
April
0%
0%
0%
0.1%
May
0.3%
3.4%
5.1%
0.8%
June
0.1%
0.1%
0.1%
0.1%
July
0.1%
0%
0%
0%
August
0%
0%
0.2%
0.1%
September
0.2%
0.3%
0.7%
0.7%
October
0.4%
0.1%
0.1%
0%
November
0.1%
0.1%
0.1%
0%
December
0%
0%
0%
0%
Neighboring states
Massachusetts: arrives early May, in the same week than Rhode Island
Connecticut: arrives early May, in the same week than Rhode Island
New Hampshire: arrives early May, in the same week than Rhode Island
Vermont: arrives late April, 1 week earlier than Rhode Island
Common questions
When do Blackburnian Warblers arrive in Rhode Island?
Blackburnian Warblers mostly pass through Rhode Island: the first show up in early May, they are common by the second week of May, peak in mid May (3.1% of checklists), and most are gone by late May.
When do Blackburnian Warblers leave Rhode Island?
Most Blackburnian Warblers have left Rhode Island by late May, when reports fall below half their usual rate.
When is the best time to see a Blackburnian Warbler in Rhode Island?
The Blackburnian Warbler is reported most often in mid May, on about 3.1% of Rhode Island checklists.
Where in Rhode Island are Blackburnian Warblers seen most often?
By county, Newport County, Providence County, and Washington County have the highest peak reporting rates for the Blackburnian Warbler (counties with at least 200 checklists).