Belted Kingfishers are in Massachusetts all year, but most are here in fall: numbers build from late July, peak in mid September (14% of checklists), and fall back by early November. In the quietest week (late February) they are still on about 2.4% of checklists.
When to look
Numbers buildJul 22-31late July
PeakSep 15-21mid September
Fall back byNov 1-7early November
FewestFeb 22-28late February
Best: mid September. Here all year; numbers build from late July and fall back by early November. Peak: on about 14% of Massachusetts checklists.
Januncommon
Febuncommon
Maruncommon
Aprcommon
Maycommon
Jununcommon
Julcommon
Augpeak season
Seppeak season
Octpeak season
Novcommon
Deccommon
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 Massachusetts 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.
Nantucket CountyBest late September · 613 checklists that week, 23,895 in all27%
Hampden CountyBest late August · 929 checklists that week, 35,410 in all22%
Berkshire CountyBest mid August · 1629 checklists that week, 92,890 in all19%
Franklin CountyBest mid September · 668 checklists that week, 41,382 in all17%
Middlesex CountyBest the second week of September · 4955 checklists that week, 307,511 in all17%
Hampshire CountyBest mid April · 4381 checklists that week, 162,423 in all17%
Best spots
Share of checklists at the peak
Foley FieldHampshire County, best late July · 126 checklists that week, 2,425 in all93%
Hinckleys PondBarnstable County, best late July · 30 checklists that week, 847 in all84%
West ReservoirBarnstable County, best late October · 33 checklists that week, 3,667 in all83%
Larence SwampHampshire County, best early April · 24 checklists that week, 843 in all83%
Frank G Feeley ParkMiddlesex County, best mid August · 28 checklists that week, 372 in all79%
Busy spots report more of everything; compare the checklist counts before you drive anywhere.
Best time of day
In Massachusetts, the Belted Kingfisher is most often listed on checklists started between 6 and 8 am (8.9% 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
4.3%
3.5%
3.3%
2.9%
February
3.0%
2.8%
2.2%
2.6%
March
2.5%
3.0%
3.6%
5.4%
April
7.0%
9.2%
9.4%
9.0%
May
7.8%
5.2%
4.8%
4.2%
June
4.1%
3.7%
4.3%
4.7%
July
5.7%
6.3%
7.5%
8.7%
August
9.9%
10%
10%
12%
September
13%
14%
14%
14%
October
13%
11%
10%
9.4%
November
8.4%
7.3%
6.8%
6.3%
December
6.0%
5.1%
5.5%
4.5%
Neighboring states
Rhode Island: arrives the second week of August, 2 weeks later than Massachusetts
New Hampshire: arrives early March, 19 weeks earlier than Massachusetts
Connecticut: arrives the second week of August, 2 weeks later than Massachusetts
Vermont: arrives the second week of March, 18 weeks earlier than Massachusetts
Common questions
When do Belted Kingfishers arrive in Massachusetts?
Belted Kingfishers are in Massachusetts all year, but most are here in fall: numbers build from late July, peak in mid September (14% of checklists), and fall back by early November. In the quietest week (late February) they are still on about 2.4% of checklists.
When do Belted Kingfishers leave Massachusetts?
Belted Kingfishers never fully leave Massachusetts: numbers fall back below half their usual rate by early November, but some are still reported in every week, about 2.4% of checklists at the low.
When is the best time to see a Belted Kingfisher in Massachusetts?
The Belted Kingfisher is reported most often in mid September, on about 14% of Massachusetts checklists.
Where in Massachusetts are Belted Kingfishers seen most often?
By county, Nantucket County, Hampden County, and Berkshire County have the highest peak reporting rates for the Belted Kingfisher (counties with at least 200 checklists).