WhenToBird

Spinus pinus · Fringillidae

When Do Pine Siskins Arrive in Michigan?

Adult Pine Siskin
Photo: Dominique Bérubé, CC0 1.0 via iNaturalist

Pine Siskins are winter birds in Michigan: the first arrive in mid September, they are common by early October, peak in mid February (6.2% of checklists), and most are gone by late May.

When to look

First arrivalsSep 15-21mid September
Common byOct 1-7early October
PeakFeb 15-21mid February
Most gone byMay 22-31late May

Best: mid February. First arrivals mid September; most are gone by late May. Peak: on about 6.2% of Michigan checklists.

  1. Janpeak season
  2. Febpeak season
  3. Marpeak season
  4. Aprpeak season
  5. Maycommon
  6. Jununcommon
  7. Julrare
  8. Augrare
  9. Sepuncommon
  10. Octcommon
  11. Novcommon
  12. Deccommon

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

0%2%4%6%8%Jan 1-7: 3.0% of 38160 checklistsJan 8-14: 4.2% of 24696 checklistsJan 15-21: 4.3% of 23771 checklistsJan 22-31: 5.1% of 31347 checklistsFeb 1-7: 5.8% of 23225 checklistsFeb 8-14: 6.1% of 27398 checklistsFeb 15-21: 6.4% of 36606 checklistsFeb 22-28: 5.9% of 27127 checklistsMar 1-7: 5.8% of 29700 checklistsMar 8-14: 5.3% of 31587 checklistsMar 15-21: 5.2% of 32118 checklistsMar 22-31: 5.2% of 47777 checklistsApr 1-7: 5.1% of 38557 checklistsApr 8-14: 5.1% of 42207 checklistsApr 15-21: 4.9% of 42759 checklistsApr 22-30: 4.3% of 64458 checklistsMay 1-7: 4.2% of 60998 checklistsMay 8-14: 3.3% of 72091 checklistsMay 15-21: 3.0% of 59058 checklistsMay 22-31: 2.5% of 64724 checklistsJun 1-7: 1.3% of 35990 checklistsJun 8-14: 0.7% of 32595 checklistsJun 15-21: 0.4% of 30017 checklistsJun 22-30: 0.3% of 33988 checklistsJul 1-7: 0.3% of 28708 checklistsJul 8-14: 0.3% of 25175 checklistsJul 15-21: 0.3% of 24084 checklistsJul 22-31: 0.3% of 33522 checklistsAug 1-7: 0.3% of 25098 checklistsAug 8-14: 0.4% of 24353 checklistsAug 15-21: 0.3% of 25059 checklistsAug 22-31: 0.4% of 37489 checklistsSep 1-7: 0.4% of 28410 checklistsSep 8-14: 0.7% of 27887 checklistsSep 15-21: 1.0% of 26614 checklistsSep 22-30: 1.6% of 32557 checklistsOct 1-7: 2.7% of 25844 checklistsOct 8-14: 3.6% of 27741 checklistsOct 15-21: 4.2% of 24693 checklistsOct 22-31: 4.5% of 32460 checklistsNov 1-7: 4.2% of 23660 checklistsNov 8-14: 4.1% of 21542 checklistsNov 15-21: 3.6% of 19922 checklistsNov 22-30: 2.8% of 25069 checklistsDec 1-7: 2.4% of 18272 checklistsDec 8-14: 2.6% of 18961 checklistsDec 15-21: 2.7% of 24171 checklistsDec 22-31: 2.8% 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. Dickinson CountyBest mid March · 38 checklists that week, 2,302 in all49%
  2. Schoolcraft CountyBest the second week of March · 12 checklists that week, 3,719 in all37%
  3. Otsego CountyBest mid March · 118 checklists that week, 7,286 in all34%
  4. Delta CountyBest mid January · 53 checklists that week, 6,537 in all32%
  5. Crawford CountyBest the second week of March · 114 checklists that week, 16,949 in all31%
  6. Osceola CountyBest mid February · 106 checklists that week, 5,623 in all30%

Best spots

Share of checklists at the peak
  1. Copper HarborKeweenaw County, best late May · 28 checklists that week, 503 in all61%
  2. Kellogg ForestKalamazoo County, best late November · 24 checklists that week, 274 in all60%
  3. Bete GriseKeweenaw County, best late October · 20 checklists that week, 433 in all59%
  4. Peninsula PointDelta County, best late October · 33 checklists that week, 686 in all57%
  5. Whitefish PointChippewa County, best late October · 252 checklists that week, 6,718 in all51%

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

Best time of day

In Michigan, the Pine Siskin is most often listed on checklists started between 7 and 9 am (4.8% of those checklists).

0%2%4%6%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: 3.9% of 39298 checklists7 am: 4.6% of 120344 checklists8 am: 5.0% of 180109 checklists9 am: 3.9% of 171966 checklists10 am: 3.4% of 156332 checklists11 am: 3.0% of 134964 checklists12 pm: 2.9% of 120967 checklists1 pm: 2.8% of 113852 checklists2 pm: 2.7% of 110773 checklists3 pm: 2.4% of 105530 checklists4 pm: 2.1% of 100958 checklists5 pm: 1.7% of 80085 checklists6 pm: 1.3% of 62883 checklists7 pm: 0.8% 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
January3.0%4.2%4.3%5.1%
February5.8%6.1%6.4%5.9%
March5.8%5.3%5.2%5.2%
April5.1%5.1%4.9%4.3%
May4.2%3.3%3.0%2.5%
June1.3%0.7%0.4%0.3%
July0.3%0.3%0.3%0.3%
August0.3%0.4%0.3%0.4%
September0.4%0.7%1.0%1.6%
October2.7%3.6%4.2%4.5%
November4.2%4.1%3.6%2.8%
December2.4%2.6%2.7%2.8%

Neighboring states

  • Ohio: arrives early October, 2 weeks later than Michigan
  • Indiana: arrives early October, 2 weeks later than Michigan
  • Illinois: arrives late September, 1 week later than Michigan
  • Wisconsin: arrives mid September, in the same week than Michigan

Common questions

When do Pine Siskins arrive in Michigan?
Pine Siskins are winter birds in Michigan: the first arrive in mid September, they are common by early October, peak in mid February (6.2% of checklists), and most are gone by late May.
When do Pine Siskins leave Michigan?
Most Pine Siskins have left Michigan by late May, when reports fall below half their usual rate. Stragglers are still reported until early June.
When is the best time to see a Pine Siskin in Michigan?
The Pine Siskin is reported most often in mid February, on about 6.2% of Michigan checklists.
Where in Michigan are Pine Siskins seen most often?
By county, Dickinson County, Schoolcraft County, and Otsego County have the highest peak reporting rates for the Pine Siskin (counties with at least 200 checklists).