Long-tailed Ducks are winter birds in Maine: the first arrive in mid October, they are common by early November, peak in early January (17% of checklists), and most are gone by late March.
When to look
First arrivalsOct 15-21mid October
Common byNov 1-7early November
PeakJan 1-7early January
Most gone byMar 22-31late March
Best: early January. First arrivals mid October; most are gone by late March. Peak: on about 17% of Maine checklists.
Janpeak season
Febpeak season
Marcommon
Apruncommon
Mayuncommon
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 Maine 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.
Nubble Light and Sohier ParkYork County, best the second week of February · 92 checklists that week, 2,150 in all94%
Busy spots report more of everything; compare the checklist counts before you drive anywhere.
Best time of day
In Maine, the Long-tailed Duck is most often listed on checklists started between 1 and 3 pm (7.6% 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
17%
17%
16%
16%
February
13%
13%
11%
13%
March
11%
9.9%
7.8%
6.9%
April
5.5%
5.0%
4.3%
3.7%
May
3.4%
2.5%
2.1%
0.6%
June
0.3%
0.1%
0.2%
0.1%
July
0.2%
0.1%
0.1%
0.2%
August
0.2%
0.2%
0.2%
0.1%
September
0.1%
0.1%
0.1%
0.1%
October
0.2%
0.4%
1.1%
3.9%
November
7.6%
10%
11%
15%
December
15%
15%
15%
17%
Neighboring states
New Hampshire: arrives late October, 1 week later than Maine
Massachusetts: arrives late October, 1 week later than Maine
Vermont: arrives mid October, in the same week than Maine
Rhode Island: arrives early November, 2 weeks later than Maine
Common questions
When do Long-tailed Ducks arrive in Maine?
Long-tailed Ducks are winter birds in Maine: the first arrive in mid October, they are common by early November, peak in early January (17% of checklists), and most are gone by late March.
When do Long-tailed Ducks leave Maine?
Most Long-tailed Ducks have left Maine by late March, when reports fall below half their usual rate. Stragglers are still reported until mid May.
When is the best time to see a Long-tailed Duck in Maine?
The Long-tailed Duck is reported most often in early January, on about 17% of Maine checklists.
Where in Maine are Long-tailed Ducks seen most often?
By county, York County, Knox County, and Lincoln County have the highest peak reporting rates for the Long-tailed Duck (counties with at least 200 checklists).