Rose-breasted Grosbeaks reach Minnesota in late April, are common by early May, peak in mid May (26% of checklists), and most are gone by mid September.
When to look
First arrivalsApr 22-30late April
Common byMay 1-7early May
PeakMay 15-21mid May
Most gone bySep 15-21mid September
Best: mid May. First arrivals late April; most are gone by mid September. Peak: on about 26% of Minnesota checklists.
Jannot usually seen
Febnot usually seen
Marnot usually seen
Aprrare
Maypeak season
Juncommon
Julcommon
Augcommon
Sepcommon
Octrare
Novnot usually seen
Decnot usually seen
Darker months: more checklists report it. Outlined: peak month.
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 Minnesota 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
0%few checklistsno data
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.
Wabasha CountyBest late July · 143 checklists that week, 6,548 in all54%
Fillmore CountyBest mid May · 155 checklists that week, 3,791 in all54%
Todd CountyBest early July · 101 checklists that week, 4,802 in all53%
Steele CountyBest late May · 224 checklists that week, 4,784 in all50%
Houston CountyBest the second week of May · 262 checklists that week, 4,754 in all50%
Renville CountyBest mid May · 75 checklists that week, 2,020 in all46%
Best spots
Share of checklists at the peak
Gables LakeWashington County, best early June · 20 checklists that week, 1,181 in all98%
Kabekona LakeHubbard County, best mid June · 26 checklists that week, 1,402 in all96%
Louisville SwampScott County, best mid May · 32 checklists that week, 562 in all88%
Busy spots report more of everything; compare the checklist counts before you drive anywhere.
Best time of day
In Minnesota, the Rose-breasted Grosbeak is most often listed on checklists started between 6 and 8 am (14% of those checklists).
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
Month
Days 1-7
8-14
15-21
22-end
January
0%
0%
0%
0%
February
0%
0%
0%
0%
March
0%
0%
0%
0%
April
0%
0%
0%
0.5%
May
9.9%
28%
29%
22%
June
17%
16%
17%
15%
July
13%
10%
9.2%
8.1%
August
8.4%
7.5%
8.1%
11%
September
14%
13%
8.3%
3.6%
October
0.9%
0.2%
0.1%
0.1%
November
0.1%
0.1%
0.1%
0.1%
December
0.1%
0.1%
0%
0%
Neighboring states
Iowa: arrives mid April, 1 week earlier than Minnesota
Wisconsin: arrives late April, in the same week than Minnesota
South Dakota: arrives late April, in the same week than Minnesota
North Dakota: arrives early May, 1 week later than Minnesota
Common questions
When do Rose-breasted Grosbeaks arrive in Minnesota?
Rose-breasted Grosbeaks reach Minnesota in late April, are common by early May, peak in mid May (26% of checklists), and most are gone by mid September.
When do Rose-breasted Grosbeaks leave Minnesota?
Most Rose-breasted Grosbeaks have left Minnesota by mid September, when reports fall below half their usual rate. Stragglers are still reported until early October.
When is the best time to see a Rose-breasted Grosbeak in Minnesota?
The Rose-breasted Grosbeak is reported most often in mid May, on about 26% of Minnesota checklists.
Where in Minnesota are Rose-breasted Grosbeaks seen most often?
By county, Wabasha County, Fillmore County, and Todd County have the highest peak reporting rates for the Rose-breasted Grosbeak (counties with at least 200 checklists).