WhenToBird

Poecile atricapillus · Paridae

When Do Black-capped Chickadees Arrive in Pennsylvania?

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

The Black-capped Chickadee is in Pennsylvania all year. It turns up on about 23% of checklists at its peak (late November) and on 12% in its quietest week (the second week of June).

When to look

PresentAll year
Peak weekNov 22-30late November
Quietest weekJun 8-14the second week of June

Best: late November. Here all year. Peak: on about 23% of Pennsylvania checklists.

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

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

0%10%20%30%Jan 1-7: 21% of 47145 checklistsJan 8-14: 21% of 35840 checklistsJan 15-21: 20% of 35423 checklistsJan 22-31: 20% of 49126 checklistsFeb 1-7: 20% of 36366 checklistsFeb 8-14: 21% of 42248 checklistsFeb 15-21: 22% of 55888 checklistsFeb 22-28: 19% of 42050 checklistsMar 1-7: 18% of 42709 checklistsMar 8-14: 19% of 43985 checklistsMar 15-21: 19% of 44547 checklistsMar 22-31: 19% of 66940 checklistsApr 1-7: 19% of 51147 checklistsApr 8-14: 19% of 54868 checklistsApr 15-21: 18% of 57252 checklistsApr 22-30: 18% of 81727 checklistsMay 1-7: 17% of 76472 checklistsMay 8-14: 16% of 79341 checklistsMay 15-21: 15% of 61724 checklistsMay 22-31: 13% of 70722 checklistsJun 1-7: 12% of 45652 checklistsJun 8-14: 12% of 41810 checklistsJun 15-21: 13% of 38973 checklistsJun 22-30: 14% of 44255 checklistsJul 1-7: 16% of 34822 checklistsJul 8-14: 15% of 31104 checklistsJul 15-21: 14% of 29262 checklistsJul 22-31: 14% of 41436 checklistsAug 1-7: 14% of 29189 checklistsAug 8-14: 14% of 28840 checklistsAug 15-21: 15% of 29948 checklistsAug 22-31: 15% of 48235 checklistsSep 1-7: 17% of 37175 checklistsSep 8-14: 18% of 36527 checklistsSep 15-21: 19% of 37261 checklistsSep 22-30: 19% of 43583 checklistsOct 1-7: 19% of 35352 checklistsOct 8-14: 20% of 35560 checklistsOct 15-21: 20% of 33119 checklistsOct 22-31: 21% of 44654 checklistsNov 1-7: 22% of 32965 checklistsNov 8-14: 22% of 31305 checklistsNov 15-21: 22% of 29471 checklistsNov 22-30: 22% of 38642 checklistsDec 1-7: 23% of 28779 checklistsDec 8-14: 22% of 29486 checklistsDec 15-21: 22% of 37465 checklistsDec 22-31: 22% of 50651 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 Pennsylvania 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 Pennsylvania

Best counties

Share of checklists at the peak
  1. Susquehanna CountyBest mid January · 217 checklists that week, 22,573 in all83%
  2. Lackawanna CountyBest early January · 370 checklists that week, 22,569 in all79%
  3. Jefferson CountyBest mid December · 71 checklists that week, 5,956 in all78%
  4. Elk CountyBest mid November · 78 checklists that week, 6,751 in all77%
  5. Warren CountyBest the second week of November · 61 checklists that week, 5,449 in all77%
  6. Wayne CountyBest the second week of February · 140 checklists that week, 10,444 in all75%

Best spots

Share of checklists at the peak
  1. Woodland LakeMonroe County, best late March · 21 checklists that week, 725 in all100%
  2. Woodcock Creek LakeCrawford County, best early October · 22 checklists that week, 389 in all99%
  3. Blue Spruce ParkIndiana County, best the second week of October · 28 checklists that week, 667 in all97%
  4. Lower LakeMonroe County, best late February · 31 checklists that week, 1,218 in all97%
  5. RootsBlair County, best late March · 22 checklists that week, 584 in all96%
  6. Hunt LakeSusquehanna County, best early December · 31 checklists that week, 1,188 in all93%

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

Best time of day

In Pennsylvania, the Black-capped Chickadee is most often listed on checklists started between 7 and 9 am (21% of those checklists).

0%10%20%30%12 am: too few checklists (1558) to judge1 am: too few checklists (1136) to judge2 am: too few checklists (839) to judge3 am: too few checklists (842) to judge4 am: too few checklists (2550) to judge5 am: too few checklists (18294) to judge6 am: 19% of 92903 checklists7 am: 22% of 241233 checklists8 am: 21% of 271994 checklists9 am: 20% of 236842 checklists10 am: 19% of 199508 checklists11 am: 17% of 161893 checklists12 pm: 16% of 143945 checklists1 pm: 17% of 134352 checklists2 pm: 17% of 129692 checklists3 pm: 17% of 126132 checklists4 pm: 15% of 115055 checklists5 pm: 14% of 90719 checklists6 pm: 12% of 67534 checklists7 pm: 8.4% of 43004 checklists8 pm: too few checklists (13966) to judge9 pm: too few checklists (3913) to judge10 pm: too few checklists (1989) to judge11 pm: too few checklists (1146) 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
January21%21%20%20%
February20%21%22%19%
March18%19%19%19%
April19%19%18%18%
May17%16%15%13%
June12%12%13%14%
July16%15%14%14%
August14%14%15%15%
September17%18%19%19%
October19%20%20%21%
November22%22%22%22%
December23%22%22%22%

Neighboring states

  • Maryland: year-round, peaks the second week of December
  • New Jersey: year-round, peaks mid November
  • New York: year-round, peaks the second week of November
  • West Virginia: year-round, peaks mid December

Common questions

When do Black-capped Chickadees arrive in Pennsylvania?
The Black-capped Chickadee is in Pennsylvania all year. It turns up on about 23% of checklists at its peak (late November) and on 12% in its quietest week (the second week of June).
When do Black-capped Chickadees leave Pennsylvania?
The Black-capped Chickadee does not leave Pennsylvania: it is reported all year, from 12% of checklists in the second week of June to 23% in late November.
When is the best time to see a Black-capped Chickadee in Pennsylvania?
The Black-capped Chickadee is reported most often in late November, on about 23% of Pennsylvania checklists.
Where in Pennsylvania are Black-capped Chickadees seen most often?
By county, Susquehanna County, Lackawanna County, and Jefferson County have the highest peak reporting rates for the Black-capped Chickadee (counties with at least 200 checklists).