Franklin's Gulls mostly pass through New Mexico: they arrive in mid March, peak in mid April (2.3% of checklists), and most are gone by the second week of July.
When to look
First arrivalsMar 15-21mid March
Common byMar 15-21mid March
PeakApr 15-21mid April
Most gone byJul 8-14the second week of July
Best: mid April. First arrivals mid March; most are gone by the second week of July. Peak: on about 2.3% of New Mexico checklists.
Jannot usually seen
Febnot usually seen
Maruncommon
Aprpeak season
Maypeak season
Junrare
Julrare
Augrare
Sepuncommon
Octuncommon
Novrare
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 New Mexico 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.
Lake Number FourteenColfax County, best early October · 73 checklists that week, 245 in all54%
Cochiti LakeSandoval County, best late April · 21 checklists that week, 149 in all51%
Busy spots report more of everything; compare the checklist counts before you drive anywhere.
Best time of day
In New Mexico, the Franklin's Gull is most often listed on checklists started between 5 and 7 pm (0.6% 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
0.1%
0%
0.1%
0%
February
0.1%
0.1%
0%
0.1%
March
0.1%
0%
0.1%
0.5%
April
1.1%
1.7%
2.4%
2.5%
May
1.7%
0.9%
0.5%
0.3%
June
0.3%
0.1%
0.1%
0.1%
July
0.1%
0.1%
0.1%
0.1%
August
0.1%
0.1%
0.1%
0.1%
September
0.2%
0.2%
0.1%
0.1%
October
1.0%
0.6%
0.2%
0.3%
November
0.1%
0.2%
0.1%
0.1%
December
0.1%
0.1%
0%
0.1%
Neighboring states
Colorado: arrives late March, 1 week later than New Mexico
Utah: arrives late March, 1 week later than New Mexico
Oklahoma: arrives the second week of September, 23 weeks later than New Mexico
Wyoming: arrives early April, 2 weeks later than New Mexico
Common questions
When do Franklin's Gulls arrive in New Mexico?
Franklin's Gulls mostly pass through New Mexico: they arrive in mid March, peak in mid April (2.3% of checklists), and most are gone by the second week of July.
When do Franklin's Gulls leave New Mexico?
Most Franklin's Gulls have left New Mexico by the second week of July, when reports fall below half their usual rate.
When is the best time to see a Franklin's Gull in New Mexico?
The Franklin's Gull is reported most often in mid April, on about 2.3% of New Mexico checklists.
Where in New Mexico are Franklin's Gulls seen most often?
By county, De Baca County, Colfax County, and Curry County have the highest peak reporting rates for the Franklin's Gull (counties with at least 200 checklists).