Lincoln's Sparrows are winter birds in Arizona: the first arrive in early September, they are common by mid September, peak in early March (15% of checklists), and most are gone by mid April.
When to look
First arrivalsSep 1-7early September
Common bySep 15-21mid September
PeakMar 1-7early March
Most gone byApr 15-21mid April
Best: early March. First arrivals early September; most are gone by mid April. Peak: on about 15% of Arizona checklists.
Jancommon
Febpeak season
Marpeak season
Aprpeak season
Mayuncommon
Junnot usually seen
Julnot usually seen
Augnot usually seen
Seppeak season
Octpeak season
Novcommon
Deccommon
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 Arizona 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.
Flap (Jaynes)Pima County, best mid March · 21 checklists that week, 172 in all71%
DatelandYuma County, best the second week of October · 22 checklists that week, 495 in all70%
Busy spots report more of everything; compare the checklist counts before you drive anywhere.
Best time of day
In Arizona, the Lincoln's Sparrow is most often listed on checklists started between 7 and 9 am (10% 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
8.7%
9.1%
8.6%
9.3%
February
9.8%
11%
11%
14%
March
15%
15%
14%
13%
April
12%
8.4%
6.2%
3.7%
May
2.2%
1.4%
0.8%
0.3%
June
0.1%
0.1%
0.1%
0.1%
July
0.1%
0.1%
0.1%
0.1%
August
0.1%
0.1%
0.1%
0.2%
September
1.2%
3.3%
7.2%
12%
October
15%
14%
13%
12%
November
11%
9.7%
9.4%
9.5%
December
10%
9.3%
9.1%
8.6%
Neighboring states
New Mexico: arrives late August, 1 week earlier than Arizona
Nevada: arrives late August, 1 week earlier than Arizona
Utah: arrives early June, 12 weeks earlier than Arizona
California: arrives the second week of September, 1 week later than Arizona
Common questions
When do Lincoln's Sparrows arrive in Arizona?
Lincoln's Sparrows are winter birds in Arizona: the first arrive in early September, they are common by mid September, peak in early March (15% of checklists), and most are gone by mid April.
When do Lincoln's Sparrows leave Arizona?
Most Lincoln's Sparrows have left Arizona by mid April, when reports fall below half their usual rate. Stragglers are still reported until the second week of May.
When is the best time to see a Lincoln's Sparrow in Arizona?
The Lincoln's Sparrow is reported most often in early March, on about 15% of Arizona checklists.
Where in Arizona are Lincoln's Sparrows seen most often?
By county, Greenlee County, Cochise County, and Santa Cruz County have the highest peak reporting rates for the Lincoln's Sparrow (counties with at least 200 checklists).