WhenToBird

Poecile atricapillus · Paridae

When Do Black-capped Chickadees Arrive in Massachusetts?

Adult Black-capped Chickadee
Photo: Marcel_Pepin, CC BY 4.0 via iNaturalist

The Black-capped Chickadee is in Massachusetts all year. It turns up on about 59% of checklists at its peak (late April) and on 40% in its quietest week (mid June).

When to look

PresentAll year
Peak weekApr 22-30late April
Quietest weekJun 15-21mid June

Best: late April. Here all year. Peak: on about 59% of Massachusetts checklists.

  1. Janpeak season
  2. Febpeak season
  3. Marpeak season
  4. Aprpeak season
  5. Maypeak season
  6. Juncommon
  7. Julcommon
  8. Augpeak season
  9. Seppeak season
  10. Octpeak season
  11. Novpeak season
  12. Decpeak season

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

0%20%40%60%Jan 1-7: 47% of 43252 checklistsJan 8-14: 47% of 30096 checklistsJan 15-21: 47% of 28760 checklistsJan 22-31: 47% of 38135 checklistsFeb 1-7: 49% of 26442 checklistsFeb 8-14: 52% of 29034 checklistsFeb 15-21: 53% of 37383 checklistsFeb 22-28: 50% of 29977 checklistsMar 1-7: 49% of 29175 checklistsMar 8-14: 50% of 32399 checklistsMar 15-21: 50% of 34444 checklistsMar 22-31: 51% of 49126 checklistsApr 1-7: 53% of 36456 checklistsApr 8-14: 57% of 40908 checklistsApr 15-21: 58% of 42078 checklistsApr 22-30: 60% of 56465 checklistsMay 1-7: 59% of 56994 checklistsMay 8-14: 55% of 64079 checklistsMay 15-21: 51% of 52020 checklistsMay 22-31: 45% of 55402 checklistsJun 1-7: 41% of 30682 checklistsJun 8-14: 40% of 27557 checklistsJun 15-21: 40% of 26163 checklistsJun 22-30: 40% of 29576 checklistsJul 1-7: 42% of 23931 checklistsJul 8-14: 41% of 22389 checklistsJul 15-21: 42% of 22365 checklistsJul 22-31: 43% of 32631 checklistsAug 1-7: 44% of 25133 checklistsAug 8-14: 45% of 24610 checklistsAug 15-21: 44% of 25350 checklistsAug 22-31: 47% of 37198 checklistsSep 1-7: 50% of 27402 checklistsSep 8-14: 52% of 27700 checklistsSep 15-21: 54% of 28398 checklistsSep 22-30: 55% of 34646 checklistsOct 1-7: 58% of 28620 checklistsOct 8-14: 55% of 30144 checklistsOct 15-21: 57% of 28893 checklistsOct 22-31: 55% of 38869 checklistsNov 1-7: 55% of 29782 checklistsNov 8-14: 54% of 27582 checklistsNov 15-21: 54% of 26642 checklistsNov 22-30: 53% of 34390 checklistsDec 1-7: 51% of 25164 checklistsDec 8-14: 53% of 24892 checklistsDec 15-21: 54% of 29022 checklistsDec 22-31: 52% of 44323 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 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
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 Massachusetts

Best counties

Share of checklists at the peak
  1. Worcester CountyBest early October · 2185 checklists that week, 128,594 in all67%
  2. Norfolk CountyBest the second week of November · 1847 checklists that week, 114,756 in all67%
  3. Berkshire CountyBest the second week of February · 1282 checklists that week, 92,890 in all65%
  4. Middlesex CountyBest the second week of October · 5779 checklists that week, 307,511 in all65%
  5. Barnstable CountyBest the second week of May · 6629 checklists that week, 215,188 in all64%
  6. Hampshire CountyBest late April · 5853 checklists that week, 162,423 in all62%

Best spots

Share of checklists at the peak
  1. Storage TanksMiddlesex County, best late December · 22 checklists that week, 969 in all100%
  2. Clamshell PondWorcester County, best the second week of April · 27 checklists that week, 510 in all100%
  3. Farm PondMiddlesex County, best late October · 20 checklists that week, 758 in all100%
  4. Marblehead Neck Wildlife SanctuaryEssex County, best the second week of March · 69 checklists that week, 4,966 in all100%
  5. Long PondBarnstable County, best late April · 55 checklists that week, 631 in all99%

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

Best time of day

In Massachusetts, the Black-capped Chickadee is most often listed on checklists started between 6 and 8 am (61% of those checklists).

0%20%40%60%80%12 am: too few checklists (630) to judge1 am: too few checklists (657) to judge2 am: too few checklists (645) to judge3 am: too few checklists (850) to judge4 am: too few checklists (3787) to judge5 am: too few checklists (29743) to judge6 am: 61% of 108601 checklists7 am: 61% of 186104 checklists8 am: 59% of 185905 checklists9 am: 55% of 166049 checklists10 am: 51% of 150508 checklists11 am: 48% of 131024 checklists12 pm: 47% of 116804 checklists1 pm: 47% of 112055 checklists2 pm: 47% of 110246 checklists3 pm: 45% of 104376 checklists4 pm: 40% of 83736 checklists5 pm: 39% of 63723 checklists6 pm: 33% of 41435 checklists7 pm: too few checklists (21041) to judge8 pm: too few checklists (5240) to judge9 pm: too few checklists (1722) to judge10 pm: too few checklists (1094) to judge11 pm: too few checklists (704) 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
January47%47%47%47%
February49%52%53%50%
March49%50%50%51%
April53%57%58%60%
May59%55%51%45%
June41%40%40%40%
July42%41%42%43%
August44%45%44%47%
September50%52%54%55%
October58%55%57%55%
November55%54%54%53%
December51%53%54%52%

Neighboring states

Common questions

When do Black-capped Chickadees arrive in Massachusetts?
The Black-capped Chickadee is in Massachusetts all year. It turns up on about 59% of checklists at its peak (late April) and on 40% in its quietest week (mid June).
When do Black-capped Chickadees leave Massachusetts?
The Black-capped Chickadee does not leave Massachusetts: it is reported all year, from 40% of checklists in mid June to 59% in late April.
When is the best time to see a Black-capped Chickadee in Massachusetts?
The Black-capped Chickadee is reported most often in late April, on about 59% of Massachusetts checklists.
Where in Massachusetts are Black-capped Chickadees seen most often?
By county, Worcester County, Norfolk County, and Berkshire County have the highest peak reporting rates for the Black-capped Chickadee (counties with at least 200 checklists).