Black Scoters mostly pass through Indiana: they arrive in early November, peak in late November (1.3% of checklists), and most are gone by the second week of December.
When to look
First arrivalsNov 1-7early November
Common byNov 1-7early November
PeakNov 22-30late November
Most gone byDec 8-14the second week of December
Best: late November. First arrivals early November; most are gone by the second week of December. Peak: on about 1.3% of Indiana checklists.
Janrare
Febrare
Marrare
Aprnot usually seen
Maynot usually seen
Junnot usually seen
Julnot usually seen
Augnot usually seen
Sepnot usually seen
Octuncommon
Novpeak season
Decpeak season
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.
Marquette ParkLake County, best the second week of January · 20 checklists that week, 1,474 in all24%
Busy spots report more of everything; compare the checklist counts before you drive anywhere.
Best time of day
In Indiana, the Black Scoter is most often listed on checklists started between 6 and 8 am (0.2% 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%
0.2%
0.1%
February
0.2%
0.1%
0.1%
0.2%
March
0.1%
0.1%
0.1%
0.1%
April
0.1%
0.1%
0.1%
0.1%
May
0%
0%
0.1%
0%
June
0%
0%
0%
0%
July
0%
0%
0%
0%
August
0%
0%
0%
0%
September
0.1%
0%
0%
0%
October
0.1%
0.1%
0.3%
0.5%
November
0.5%
0.9%
1.4%
1.2%
December
1.2%
0.6%
0.3%
0.2%
Neighboring states
Ohio: arrives late October, 1 week earlier than Indiana
Michigan: arrives the second week of October, 3 weeks earlier than Indiana
Wisconsin: arrives mid October, 2 weeks earlier than Indiana
North Carolina: arrives late October, 1 week earlier than Indiana
Common questions
When do Black Scoters arrive in Indiana?
Black Scoters mostly pass through Indiana: they arrive in early November, peak in late November (1.3% of checklists), and most are gone by the second week of December.
When do Black Scoters leave Indiana?
Most Black Scoters have left Indiana by the second week of December, when reports fall below half their usual rate.
When is the best time to see a Black Scoter in Indiana?
The Black Scoter is reported most often in late November, on about 1.3% of Indiana checklists.
Where in Indiana are Black Scoters seen most often?
By county, Perry County, Daviess County, and Martin County have the highest peak reporting rates for the Black Scoter (counties with at least 200 checklists).