Long-tailed Ducks are winter birds in Washington: they arrive in late October, peak in the second week of January (1.7% of checklists), and most are gone by the second week of April.
When to look
First arrivalsOct 22-31late October
Common byOct 22-31late October
PeakJan 8-14the second week of January
Most gone byApr 8-14the second week of April
Best: the second week of January. First arrivals late October; most are gone by the second week of April. Peak: on about 1.7% of Washington checklists.
Janpeak season
Febpeak season
Marcommon
Aprcommon
Mayuncommon
Junnot usually seen
Julnot usually seen
Augnot usually seen
Sepnot usually seen
Octcommon
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 Washington 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.
Tongue PointWhatcom County, best mid February · 25 checklists that week, 574 in all68%
Tumwater CreekClallam County, best late December · 45 checklists that week, 358 in all64%
Port WilliamsClallam County, best late January · 23 checklists that week, 612 in all60%
Lighthouse Marine ParkWhatcom County, best early March · 29 checklists that week, 1,449 in all59%
Port Angeles HarborClallam County, best late December · 23 checklists that week, 768 in all55%
Busy spots report more of everything; compare the checklist counts before you drive anywhere.
Best time of day
In Washington, the Long-tailed Duck is most often listed on checklists started between 1 and 3 pm (0.9% 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
1.7%
1.6%
1.7%
1.6%
February
1.3%
1.1%
1.2%
1.1%
March
1.3%
1.2%
1.2%
0.7%
April
0.8%
0.7%
0.6%
0.4%
May
0.4%
0.1%
0.1%
0.1%
June
0.1%
0.1%
0.1%
0.1%
July
0.1%
0.1%
0.1%
0.1%
August
0%
0%
0%
0%
September
0.1%
0.1%
0.1%
0.1%
October
0.1%
0.2%
0.5%
1.1%
November
1.4%
1.5%
1.3%
1.5%
December
1.4%
1.5%
1.3%
1.3%
Neighboring states
Montana: arrives early November, 1 week later than Washington
Wyoming: arrives early November, 1 week later than Washington
Colorado: arrives the second week of November, 2 weeks later than Washington
North Dakota: arrives early November, 1 week later than Washington
Common questions
When do Long-tailed Ducks arrive in Washington?
Long-tailed Ducks are winter birds in Washington: they arrive in late October, peak in the second week of January (1.7% of checklists), and most are gone by the second week of April.
When do Long-tailed Ducks leave Washington?
Most Long-tailed Ducks have left Washington by the second week of April, when reports fall below half their usual rate.
When is the best time to see a Long-tailed Duck in Washington?
The Long-tailed Duck is reported most often in the second week of January, on about 1.7% of Washington checklists.
Where in Washington are Long-tailed Ducks seen most often?
By county, Whatcom County, Clallam County, and Asotin County have the highest peak reporting rates for the Long-tailed Duck (counties with at least 200 checklists).