Franklin's Gulls reach North Dakota in early April, are common by the second week of April, peak in late April (16% of checklists), and most are gone by the second week of October.
When to look
First arrivalsApr 1-7early April
Common byApr 8-14the second week of April
PeakApr 22-30late April
Most gone byOct 8-14the second week of October
Best: late April. First arrivals early April; most are gone by the second week of October. Peak: on about 16% of North Dakota checklists.
Jannot usually seen
Febnot usually seen
Marrare
Aprpeak season
Maypeak season
Juncommon
Julcommon
Augpeak season
Seppeak season
Octcommon
Novuncommon
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 North Dakota 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.
Busy spots report more of everything; compare the checklist counts before you drive anywhere.
Best time of day
In North Dakota, the Franklin's Gull is most often listed on checklists started between 6 and 8 pm (9.1% 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%
0.1%
0.9%
April
1.2%
5.0%
11%
19%
May
18%
11%
9.1%
8.5%
June
9.1%
8.1%
7.2%
6.6%
July
6.0%
8.4%
9.5%
12%
August
14%
12%
11%
12%
September
11%
15%
16%
12%
October
8.8%
6.4%
5.8%
3.8%
November
2.6%
0.8%
0.1%
0.1%
December
0.1%
0%
0.2%
0%
Neighboring states
South Dakota: arrives late March, 1 week earlier than North Dakota
Minnesota: arrives mid July, 14 weeks later than North Dakota
Nebraska: arrives mid July, 14 weeks later than North Dakota
Iowa: arrives mid July, 14 weeks later than North Dakota
Common questions
When do Franklin's Gulls arrive in North Dakota?
Franklin's Gulls reach North Dakota in early April, are common by the second week of April, peak in late April (16% of checklists), and most are gone by the second week of October.
When do Franklin's Gulls leave North Dakota?
Most Franklin's Gulls have left North Dakota by the second week of October, when reports fall below half their usual rate. Stragglers are still reported until the second week of November.
When is the best time to see a Franklin's Gull in North Dakota?
The Franklin's Gull is reported most often in late April, on about 16% of North Dakota checklists.
Where in North Dakota are Franklin's Gulls seen most often?
By county, Divide County, Renville County, and McHenry County have the highest peak reporting rates for the Franklin's Gull (counties with at least 200 checklists).