WhenToBird

American Robin · Turdus migratorius

When Do Robins Arrive in Maine?

Adult male American Robin
Photo: northerly, CC BY 4.0 via iNaturalist

American Robins are in Maine all year, but most are here in spring: numbers build from late March, peak in the second week of May (54% of checklists), and fall back by late July. In the quietest week (early January) they are still on about 7.4% of checklists.

When to look

Numbers buildMar 22-31late March
PeakMay 8-14the second week of May
Fall back byJul 22-31late July
FewestJan 1-7early January

Best: the second week of May. Here all year; numbers build from late March and fall back by late July. Peak: on about 54% of Maine checklists.

  1. Januncommon
  2. Febuncommon
  3. Marcommon
  4. Aprpeak season
  5. Maypeak season
  6. Junpeak season
  7. Julpeak season
  8. Augcommon
  9. Sepuncommon
  10. Octcommon
  11. Novcommon
  12. Decuncommon

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

Robins in Maine, species by species

SpeciesFirst arrivalsCommon byPeakMost gone byPeak %
American RobinMar 22-31Mar 22-31May 8-14Jul 22-3154%
0%20%40%60%American RobinJanFebMarAprMayJunJulAugSepOctNovDec
  • American Robin
Share of complete checklists reporting each species, by week (4 per month). Gaps: fewer than 10 checklists that week.

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.

Where in Maine

Best counties for American Robin

Share of checklists at the peak
  1. Androscoggin CountyBest the second week of May · 810 checklists that week, 16,955 in all65%
  2. Kennebec CountyBest the second week of May · 1947 checklists that week, 48,185 in all62%
  3. Waldo CountyBest the second week of May · 1182 checklists that week, 33,433 in all61%
  4. Lincoln CountyBest the second week of May · 1602 checklists that week, 59,429 in all61%
  5. Cumberland CountyBest the second week of May · 8112 checklists that week, 169,501 in all58%
  6. Aroostook CountyBest early May · 353 checklists that week, 16,817 in all58%

Common questions

When do robins arrive in Maine?
American Robins are in Maine all year, but most are here in spring: numbers build from late March, peak in the second week of May (54% of checklists), and fall back by late July. In the quietest week (early January) they are still on about 7.4% of checklists.
When do robins leave Maine?
American Robins never fully leave Maine: numbers fall back below half their usual rate by late July, but some are still reported in every week, about 7.4% of checklists at the low.
When is the best time to see robins in Maine?
The American Robin is reported most often in the second week of May, on about 54% of Maine checklists.