Red-winged Blackbirds are in Indiana all year, but most are here in spring: numbers build from late February, peak in mid April (59% of checklists), and fall back by late July. In the quietest week (mid December) they are still on about 3.7% of checklists.
When to look
Numbers buildFeb 22-28late February
PeakApr 15-21mid April
Fall back byJul 22-31late July
FewestDec 15-21mid December
Best: mid April. Here all year; numbers build from late February and fall back by late July. Peak: on about 59% of Indiana checklists.
Janrare
Febcommon
Marpeak season
Aprpeak season
Maypeak season
Junpeak season
Julpeak season
Augcommon
Sepuncommon
Octcommon
Novcommon
Decrare
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.
Vaughn HollowBrown County, best early March · 21 checklists that week, 919 in all100%
Shanklin Park (Goshen)Elkhart County, best late April · 24 checklists that week, 567 in all100%
Carlson/Oxbow ParkLake County, best the second week of July · 20 checklists that week, 470 in all100%
Busy spots report more of everything; compare the checklist counts before you drive anywhere.
Best time of day
In Indiana, the Red-winged Blackbird is most often listed on checklists started between 6 and 8 am (46% 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
4.3%
4.2%
3.9%
5.5%
February
9.3%
14%
23%
40%
March
48%
50%
52%
55%
April
57%
59%
60%
59%
May
56%
56%
57%
58%
June
56%
54%
54%
52%
July
52%
49%
46%
37%
August
29%
21%
14%
12%
September
10%
9.8%
11%
15%
October
24%
29%
31%
31%
November
26%
19%
11%
6.1%
December
4.1%
3.7%
3.9%
3.6%
Neighboring states
Illinois: arrives late February, in the same week than Indiana
Kentucky: arrives late February, in the same week than Indiana
Ohio: arrives early February, 3 weeks earlier than Indiana
Michigan: arrives the second week of February, 2 weeks earlier than Indiana
Common questions
When do Red-winged Blackbirds arrive in Indiana?
Red-winged Blackbirds are in Indiana all year, but most are here in spring: numbers build from late February, peak in mid April (59% of checklists), and fall back by late July. In the quietest week (mid December) they are still on about 3.7% of checklists.
When do Red-winged Blackbirds leave Indiana?
Red-winged Blackbirds never fully leave Indiana: numbers fall back below half their usual rate by late July, but some are still reported in every week, about 3.7% of checklists at the low.
When is the best time to see a Red-winged Blackbird in Indiana?
The Red-winged Blackbird is reported most often in mid April, on about 59% of Indiana checklists.
Where in Indiana are Red-winged Blackbirds seen most often?
By county, Whitley County, Noble County, and Benton County have the highest peak reporting rates for the Red-winged Blackbird (counties with at least 200 checklists).