Gray Catbirds reach Indiana in mid April, are common by late April, peak in mid May (47% of checklists), and most are gone by early October.
When to look
First arrivalsApr 15-21mid April
Common byApr 22-30late April
PeakMay 15-21mid May
Most gone byOct 1-7early October
Best: mid May. First arrivals mid April; most are gone by early October. Peak: on about 47% of Indiana checklists.
Jannot usually seen
Febnot usually seen
Marnot usually seen
Aprcommon
Maypeak season
Junpeak season
Julpeak season
Augcommon
Seppeak season
Octcommon
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.
Lake SullivanMarion County, best early September · 21 checklists that week, 511 in all96%
Central ParkHamilton County, best mid August · 25 checklists that week, 1,993 in all96%
Shanklin ParkElkhart County, best late May · 106 checklists that week, 1,504 in all94%
Busy spots report more of everything; compare the checklist counts before you drive anywhere.
Best time of day
In Indiana, the Gray Catbird is most often listed on checklists started between 6 and 8 am (31% 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
0.2%
0.1%
0.1%
0.1%
February
0.1%
0.1%
0.1%
0.1%
March
0.1%
0.1%
0.1%
0.1%
April
0.3%
0.7%
2.0%
17%
May
42%
49%
49%
42%
June
37%
37%
38%
38%
July
38%
36%
35%
34%
August
32%
30%
30%
33%
September
36%
38%
38%
34%
October
23%
11%
3.9%
1.3%
November
0.6%
0.3%
0.1%
0.1%
December
0.2%
0.1%
0.2%
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 late April, 1 week later than Indiana
Common questions
When do Gray Catbirds arrive in Indiana?
Gray Catbirds reach Indiana in mid April, are common by late April, peak in mid May (47% of checklists), and most are gone by early October.
When do Gray Catbirds leave Indiana?
Most Gray Catbirds have left Indiana by early October, when reports fall below half their usual rate. Stragglers are still reported until mid October.
When is the best time to see a Gray Catbird in Indiana?
The Gray Catbird is reported most often in mid May, on about 47% of Indiana checklists.
Where in Indiana are Gray Catbirds seen most often?
By county, Blackford County, Wells County, and Whitley County have the highest peak reporting rates for the Gray Catbird (counties with at least 200 checklists).