WhenToBird

Junco hyemalis · Passerellidae

When Do Dark-eyed Juncos Arrive in Michigan?

Adult male Dark-eyed Junco
Photo: Jimmy Dee, CC BY-SA 4.0 via iNaturalist

Dark-eyed Juncos are winter birds in Michigan: the first arrive in late September, they are common by the second week of October, peak in the second week of February (43% of checklists), and most are gone by mid April.

When to look

First arrivalsSep 22-30late September
Common byOct 8-14the second week of October
PeakFeb 8-14the second week of February
Most gone byApr 15-21mid April

Best: the second week of February. First arrivals late September; most are gone by mid April. Peak: on about 43% of Michigan checklists.

  1. Janpeak season
  2. Febpeak season
  3. Marpeak season
  4. Aprpeak season
  5. Mayuncommon
  6. Junnot usually seen
  7. Julnot usually seen
  8. Augnot usually seen
  9. Sepuncommon
  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: 36% of 38160 checklistsJan 8-14: 40% of 24696 checklistsJan 15-21: 41% of 23771 checklistsJan 22-31: 41% of 31347 checklistsFeb 1-7: 39% of 23225 checklistsFeb 8-14: 41% of 27398 checklistsFeb 15-21: 46% of 36606 checklistsFeb 22-28: 34% of 27127 checklistsMar 1-7: 31% of 29700 checklistsMar 8-14: 30% of 31587 checklistsMar 15-21: 31% of 32118 checklistsMar 22-31: 34% of 47777 checklistsApr 1-7: 36% of 38557 checklistsApr 8-14: 32% of 42207 checklistsApr 15-21: 27% of 42759 checklistsApr 22-30: 14% of 64458 checklistsMay 1-7: 5.4% of 60998 checklistsMay 8-14: 1.7% of 72091 checklistsMay 15-21: 1.1% of 59058 checklistsMay 22-31: 1.1% of 64724 checklistsJun 1-7: 1.3% of 35990 checklistsJun 8-14: 1.4% of 32595 checklistsJun 15-21: 1.5% of 30017 checklistsJun 22-30: 1.4% of 33988 checklistsJul 1-7: 1.2% of 28708 checklistsJul 8-14: 1.1% of 25175 checklistsJul 15-21: 0.9% of 24084 checklistsJul 22-31: 0.8% of 33522 checklistsAug 1-7: 0.8% of 25098 checklistsAug 8-14: 0.8% of 24353 checklistsAug 15-21: 0.6% of 25059 checklistsAug 22-31: 0.6% of 37489 checklistsSep 1-7: 0.6% of 28410 checklistsSep 8-14: 1.3% of 27887 checklistsSep 15-21: 2.5% of 26614 checklistsSep 22-30: 6.3% of 32557 checklistsOct 1-7: 13% of 25844 checklistsOct 8-14: 23% of 27741 checklistsOct 15-21: 30% of 24693 checklistsOct 22-31: 38% of 32460 checklistsNov 1-7: 40% of 23660 checklistsNov 8-14: 43% of 21542 checklistsNov 15-21: 42% of 19922 checklistsNov 22-30: 42% of 25069 checklistsDec 1-7: 42% of 18272 checklistsDec 8-14: 42% of 18961 checklistsDec 15-21: 41% of 24171 checklistsDec 22-31: 40% of 30908 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 Michigan 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 Michigan

Best counties

Share of checklists at the peak
  1. Ontonagon CountyBest mid April · 44 checklists that week, 3,548 in all72%
  2. Osceola CountyBest the second week of December · 85 checklists that week, 5,623 in all71%
  3. Newaygo CountyBest the second week of February · 98 checklists that week, 5,044 in all68%
  4. Shiawassee CountyBest early February · 31 checklists that week, 3,113 in all68%
  5. Barry CountyBest early December · 407 checklists that week, 29,465 in all68%
  6. Ogemaw CountyBest early December · 51 checklists that week, 4,675 in all67%

Best spots

Share of checklists at the peak
  1. McLaughlin LakeWashtenaw County, best mid February · 25 checklists that week, 688 in all98%
  2. Mud Lake (Metcalf Lake)Barry County, best early February · 21 checklists that week, 271 in all98%
  3. Sarett Nature CenterBerrien County, best early February · 22 checklists that week, 1,402 in all95%
  4. Lower Long LakeOakland County, best late November · 21 checklists that week, 1,777 in all95%
  5. Barry State Game AreaBarry County, best early April · 24 checklists that week, 394 in all94%

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

Best time of day

In Michigan, the Dark-eyed Junco is most often listed on checklists started between 8 and 10 am (25% of those checklists).

0%10%20%30%12 am: too few checklists (712) to judge1 am: too few checklists (592) to judge2 am: too few checklists (532) to judge3 am: too few checklists (516) to judge4 am: too few checklists (1592) to judge5 am: too few checklists (6849) to judge6 am: 7.6% of 39298 checklists7 am: 20% of 120344 checklists8 am: 27% of 180109 checklists9 am: 24% of 171966 checklists10 am: 21% of 156332 checklists11 am: 20% of 134964 checklists12 pm: 20% of 120967 checklists1 pm: 20% of 113852 checklists2 pm: 20% of 110773 checklists3 pm: 20% of 105530 checklists4 pm: 19% of 100958 checklists5 pm: 13% of 80085 checklists6 pm: 8.0% of 62883 checklists7 pm: 3.8% of 44912 checklists8 pm: too few checklists (21062) to judge9 pm: too few checklists (5920) to judge10 pm: too few checklists (1629) to judge11 pm: too few checklists (775) 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
January36%40%41%41%
February39%41%46%34%
March31%30%31%34%
April36%32%27%14%
May5.4%1.7%1.1%1.1%
June1.3%1.4%1.5%1.4%
July1.2%1.1%0.9%0.8%
August0.8%0.8%0.6%0.6%
September0.6%1.3%2.5%6.3%
October13%23%30%38%
November40%43%42%42%
December42%42%41%40%

Neighboring states

  • Ohio: arrives early October, 1 week later than Michigan
  • Indiana: arrives early October, 1 week later than Michigan
  • Illinois: arrives late September, in the same week than Michigan
  • Wisconsin: arrives mid September, 1 week earlier than Michigan

Common questions

When do Dark-eyed Juncos arrive in Michigan?
Dark-eyed Juncos are winter birds in Michigan: the first arrive in late September, they are common by the second week of October, peak in the second week of February (43% of checklists), and most are gone by mid April.
When do Dark-eyed Juncos leave Michigan?
Most Dark-eyed Juncos have left Michigan by mid April, when reports fall below half their usual rate. Stragglers are still reported until early May.
When is the best time to see a Dark-eyed Junco in Michigan?
The Dark-eyed Junco is reported most often in the second week of February, on about 43% of Michigan checklists.
Where in Michigan are Dark-eyed Juncos seen most often?
By county, Ontonagon County, Osceola County, and Newaygo County have the highest peak reporting rates for the Dark-eyed Junco (counties with at least 200 checklists).