Rose-breasted Grosbeaks arrive in Indiana in mid April, peak in the second week of May (23% of checklists), and most are gone by the second week of October.
When to look
First arrivalsApr 15-21mid April
Common byApr 15-21mid April
PeakMay 8-14the second week of May
Most gone byOct 8-14the second week of October
Best: the second week of May. First arrivals mid April; most are gone by the second week of October. Peak: on about 23% of Indiana checklists.
Jannot usually seen
Febnot usually seen
Marnot usually seen
Aprcommon
Maypeak season
Jununcommon
Juluncommon
Augrare
Sepcommon
Octuncommon
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 Indiana 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.
Busy spots report more of everything; compare the checklist counts before you drive anywhere.
Best time of day
In Indiana, the Rose-breasted Grosbeak is most often listed on checklists started between 6 and 8 am (11% 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%
0.1%
0%
0.1%
April
0.1%
0.1%
0.6%
11%
May
28%
24%
15%
8.9%
June
7.6%
6.8%
7.0%
6.3%
July
5.8%
4.7%
4.0%
3.1%
August
2.6%
1.7%
1.7%
2.2%
September
3.8%
6.9%
12%
14%
October
8.4%
2.8%
0.6%
0.1%
November
0.1%
0.1%
0.1%
0.1%
December
0.1%
0%
0.1%
0.1%
Neighboring states
Illinois: arrives mid April, in the same week than Indiana
Kentucky: arrives the second week of April, 1 week earlier than Indiana
Ohio: arrives mid April, in the same week than Indiana
Michigan: arrives mid April, in the same week than Indiana
Common questions
When do Rose-breasted Grosbeaks arrive in Indiana?
Rose-breasted Grosbeaks arrive in Indiana in mid April, peak in the second week of May (23% of checklists), and most are gone by the second week of October.
When do Rose-breasted Grosbeaks leave Indiana?
Most Rose-breasted Grosbeaks have left Indiana by the second week of October, when reports fall below half their usual rate. Stragglers are still reported until mid October.
When is the best time to see a Rose-breasted Grosbeak in Indiana?
The Rose-breasted Grosbeak is reported most often in the second week of May, on about 23% of Indiana checklists.
Where in Indiana are Rose-breasted Grosbeaks seen most often?
By county, Noble County, Fayette County, and Pulaski County have the highest peak reporting rates for the Rose-breasted Grosbeak (counties with at least 200 checklists).