King Eiders mostly pass through Kansas: they arrive in early November, peak in mid November (1.1% of checklists), and most are gone by late November.
When to look
First arrivalsNov 1-7early November
Common byNov 1-7early November
PeakNov 15-21mid November
Most gone byNov 22-30late November
Best: mid November. First arrivals early November; most are gone by late November. Peak: on about 1.1% of Kansas checklists.
Jannot usually seen
Febnot usually seen
Marnot usually seen
Aprnot usually seen
Maynot usually seen
Junnot usually seen
Julnot usually seen
Augnot usually seen
Sepnot usually seen
Octnot usually seen
Novpeak season
Decuncommon
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 Kansas 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.
Perry Recreation AreaJefferson County, best mid December · 26 checklists that week, 830 in all19%
Busy spots report more of everything; compare the checklist counts before you drive anywhere.
Best time of day
In Kansas, the King Eider is most often listed on checklists started between 9 and 11 am (0.1% 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%
0%
0%
0%
February
0%
0%
0%
0%
March
0%
0%
0%
0%
April
0%
0%
0%
0%
May
0%
0%
0%
0%
June
0%
0%
0%
0%
July
0%
0%
0%
0%
August
0%
0%
0%
0%
September
0%
0%
0%
0%
October
0%
0%
0%
0%
November
0%
1.5%
1.5%
0.6%
December
0.1%
0.1%
0.1%
0.1%
Neighboring states
Alaska: arrives mid August, 10 weeks earlier than Kansas
Common questions
When do King Eiders arrive in Kansas?
King Eiders mostly pass through Kansas: they arrive in early November, peak in mid November (1.1% of checklists), and most are gone by late November.
When do King Eiders leave Kansas?
Most King Eiders have left Kansas by late November, when reports fall below half their usual rate.
When is the best time to see a King Eider in Kansas?
The King Eider is reported most often in mid November, on about 1.1% of Kansas checklists.
Where in Kansas are King Eiders seen most often?
By county, Jefferson County have the highest peak reporting rates for the King Eider (counties with at least 200 checklists).