WhenToBird

Megaceryle alcyon · Alcedinidae

When Do Belted Kingfishers Arrive in Maine?

Adult female Belted Kingfisher
Photo: Jonathan Eisen, CC BY 4.0 via iNaturalist

Belted Kingfishers reach Maine in mid March, are common by early April, peak in mid September (20% of checklists), and most are gone by early November.

When to look

First arrivalsMar 15-21mid March
Common byApr 1-7early April
PeakSep 15-21mid September
Most gone byNov 1-7early November

Best: mid September. First arrivals mid March; most are gone by early November. Peak: on about 20% of Maine checklists.

  1. Janrare
  2. Febrare
  3. Marrare
  4. Aprcommon
  5. Maycommon
  6. Jununcommon
  7. Juluncommon
  8. Augcommon
  9. Seppeak season
  10. Octpeak season
  11. Novuncommon
  12. Decrare

Darker months: more checklists report it. Outlined: peak month.

0%10%20%30%Jan 1-7: 1.6% of 15499 checklistsJan 8-14: 1.2% of 11141 checklistsJan 15-21: 1.0% of 10729 checklistsJan 22-31: 1.1% of 15084 checklistsFeb 1-7: 0.8% of 9403 checklistsFeb 8-14: 0.7% of 11268 checklistsFeb 15-21: 0.7% of 14061 checklistsFeb 22-28: 0.7% of 9977 checklistsMar 1-7: 0.6% of 9649 checklistsMar 8-14: 0.8% of 11781 checklistsMar 15-21: 1.0% of 11613 checklistsMar 22-31: 1.8% of 17798 checklistsApr 1-7: 3.8% of 14638 checklistsApr 8-14: 7.0% of 16511 checklistsApr 15-21: 9.3% of 17164 checklistsApr 22-30: 10% of 22602 checklistsMay 1-7: 10% of 22556 checklistsMay 8-14: 8.0% of 27842 checklistsMay 15-21: 6.3% of 27748 checklistsMay 22-31: 4.6% of 38715 checklistsJun 1-7: 3.9% of 26916 checklistsJun 8-14: 4.1% of 23737 checklistsJun 15-21: 4.2% of 22733 checklistsJun 22-30: 4.3% of 28248 checklistsJul 1-7: 5.2% of 20290 checklistsJul 8-14: 6.0% of 18534 checklistsJul 15-21: 7.1% of 17319 checklistsJul 22-31: 7.6% of 22815 checklistsAug 1-7: 9.2% of 15004 checklistsAug 8-14: 9.4% of 14603 checklistsAug 15-21: 10% of 14972 checklistsAug 22-31: 14% of 19813 checklistsSep 1-7: 18% of 14567 checklistsSep 8-14: 20% of 14520 checklistsSep 15-21: 21% of 14339 checklistsSep 22-30: 20% of 16879 checklistsOct 1-7: 16% of 12959 checklistsOct 8-14: 10% of 13168 checklistsOct 15-21: 7.0% of 11184 checklistsOct 22-31: 4.8% of 13717 checklistsNov 1-7: 3.9% of 9823 checklistsNov 8-14: 3.0% of 9007 checklistsNov 15-21: 2.4% of 8528 checklistsNov 22-30: 1.9% of 10228 checklistsDec 1-7: 1.5% of 7505 checklistsDec 8-14: 1.5% of 7982 checklistsDec 15-21: 1.5% of 10455 checklistsDec 22-31: 1.8% of 14285 checklistsJanFebMarAprMayJunJulAugSepOctNovDec
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 Maine 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
Second week of November

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.

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Where in Maine

Best counties

Share of checklists at the peak
  1. Aroostook CountyBest early September · 192 checklists that week, 16,817 in all34%
  2. Waldo CountyBest mid September · 618 checklists that week, 33,433 in all30%
  3. Piscataquis CountyBest early September · 271 checklists that week, 14,837 in all30%
  4. Penobscot CountyBest mid September · 1025 checklists that week, 56,895 in all25%
  5. Knox CountyBest mid September · 626 checklists that week, 34,453 in all24%
  6. Lincoln CountyBest mid September · 1659 checklists that week, 59,429 in all23%

Best spots

Share of checklists at the peak
  1. Medomak River ReservoirLincoln County, best late August · 40 checklists that week, 870 in all86%
  2. City of BangorPenobscot County, best early August · 98 checklists that week, 2,579 in all74%
  3. Babson CreekHancock County, best mid September · 33 checklists that week, 633 in all73%
  4. Long CoveWaldo County, best mid September · 128 checklists that week, 2,744 in all69%
  5. Timber PointYork County, best mid September · 232 checklists that week, 3,561 in all68%

Busy spots report more of everything; compare the checklist counts before you drive anywhere.

Best time of day

In Maine, the Belted Kingfisher is most often listed on checklists started between 5 and 7 am (10% of those checklists).

0%5%10%15%12 am: too few checklists (510) to judge1 am: too few checklists (517) to judge2 am: too few checklists (581) to judge3 am: too few checklists (3242) to judge4 am: too few checklists (7221) to judge5 am: 9.8% of 19895 checklists6 am: 11% of 54578 checklists7 am: 8.2% of 92775 checklists8 am: 7.2% of 86962 checklists9 am: 6.4% of 78989 checklists10 am: 5.9% of 70954 checklists11 am: 5.3% of 59331 checklists12 pm: 4.9% of 50943 checklists1 pm: 5.0% of 49775 checklists2 pm: 4.9% of 49001 checklists3 pm: 5.4% of 43252 checklists4 pm: 6.6% of 33413 checklists5 pm: 7.4% of 25547 checklists6 pm: 6.1% of 18309 checklists7 pm: too few checklists (14287) to judge8 pm: too few checklists (5336) to judge9 pm: too few checklists (2253) to judge10 pm: too few checklists (1518) to judge11 pm: too few checklists (720) to judge12a3a6a9a12p3p6p9p
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
MonthDays 1-78-1415-2122-end
January1.6%1.2%1.0%1.1%
February0.8%0.7%0.7%0.7%
March0.6%0.8%1.0%1.8%
April3.8%7.0%9.3%10%
May10%8.0%6.3%4.6%
June3.9%4.1%4.2%4.3%
July5.2%6.0%7.1%7.6%
August9.2%9.4%10%14%
September18%20%21%20%
October16%10%7.0%4.8%
November3.9%3.0%2.4%1.9%
December1.5%1.5%1.5%1.8%

Neighboring states

  • New Hampshire: arrives early March, 2 weeks earlier than Maine
  • Massachusetts: arrives late July, 17 weeks later than Maine
  • Vermont: arrives the second week of March, 1 week earlier than Maine
  • Rhode Island: arrives the second week of August, 19 weeks later than Maine

Common questions

When do Belted Kingfishers arrive in Maine?
Belted Kingfishers reach Maine in mid March, are common by early April, peak in mid September (20% of checklists), and most are gone by early November.
When do Belted Kingfishers leave Maine?
Most Belted Kingfishers have left Maine by early November, when reports fall below half their usual rate. Stragglers are still reported until mid January.
When is the best time to see a Belted Kingfisher in Maine?
The Belted Kingfisher is reported most often in mid September, on about 20% of Maine checklists.
Where in Maine are Belted Kingfishers seen most often?
By county, Aroostook County, Waldo County, and Piscataquis County have the highest peak reporting rates for the Belted Kingfisher (counties with at least 200 checklists).