WhenToBird

Pooecetes gramineus · Passerellidae

When Do Vesper Sparrows Arrive in Arkansas?

Adult Vesper Sparrow
Photo: Dani Alba, CC BY 4.0 via iNaturalist

Vesper Sparrows are winter birds in Arkansas: they arrive in the second week of October, peak in late October (1.4% of checklists), and most are gone by late January.

When to look

First arrivalsOct 8-14the second week of October
Common byOct 8-14the second week of October
PeakOct 22-31late October
Most gone byJan 22-31late January

Best: late October. First arrivals the second week of October; most are gone by late January. Peak: on about 1.4% of Arkansas checklists.

  1. Januncommon
  2. Febuncommon
  3. Maruncommon
  4. Apruncommon
  5. Mayrare
  6. Junnot usually seen
  7. Julnot usually seen
  8. Augnot usually seen
  9. Sepnot usually seen
  10. Octpeak season
  11. Novpeak season
  12. Decuncommon

Darker months: more checklists report it. Outlined: peak month.

0%0.5%1%1.5%2%Jan 1-7: 0.2% of 5292 checklistsJan 8-14: 0.4% of 4085 checklistsJan 15-21: 0.4% of 4531 checklistsJan 22-31: 0.2% of 6500 checklistsFeb 1-7: 0.2% of 4752 checklistsFeb 8-14: 0.1% of 5385 checklistsFeb 15-21: 0.2% of 7219 checklistsFeb 22-28: 0.3% of 4163 checklistsMar 1-7: 0.3% of 3952 checklistsMar 8-14: 0.1% of 4067 checklistsMar 15-21: 0.4% of 4446 checklistsMar 22-31: 0.6% of 6911 checklistsApr 1-7: 0.5% of 5422 checklistsApr 8-14: 0.4% of 6043 checklistsApr 15-21: 0.2% of 6759 checklistsApr 22-30: 0.1% of 10236 checklistsMay 1-7: 0.1% of 8243 checklistsMay 8-14: 0% of 7467 checklistsMay 15-21: 0% of 6160 checklistsMay 22-31: 0% of 7287 checklistsJun 1-7: 0% of 4884 checklistsJun 8-14: 0% of 4444 checklistsJun 15-21: 0% of 3579 checklistsJun 22-30: 0% of 3858 checklistsJul 1-7: 0% of 3042 checklistsJul 8-14: 0% of 2889 checklistsJul 15-21: 0% of 2599 checklistsJul 22-31: 0% of 3825 checklistsAug 1-7: 0% of 2951 checklistsAug 8-14: 0% of 2765 checklistsAug 15-21: 0% of 2838 checklistsAug 22-31: 0% of 4360 checklistsSep 1-7: 0% of 3573 checklistsSep 8-14: 0% of 3314 checklistsSep 15-21: 0% of 3118 checklistsSep 22-30: 0% of 4381 checklistsOct 1-7: 0.1% of 3640 checklistsOct 8-14: 0.3% of 4119 checklistsOct 15-21: 1.0% of 3810 checklistsOct 22-31: 1.7% of 4956 checklistsNov 1-7: 1.3% of 3704 checklistsNov 8-14: 0.8% of 3678 checklistsNov 15-21: 0.5% of 3457 checklistsNov 22-30: 0.3% of 4648 checklistsDec 1-7: 0.4% of 3390 checklistsDec 8-14: 0.3% of 3510 checklistsDec 15-21: 0.4% of 4540 checklistsDec 22-31: 0.4% of 6404 checklistsJanFebMarAprMayJunJulAugSepOctNovDec
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 Arkansas 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
Second week of November

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.

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Where in Arkansas

Best counties

Share of checklists at the peak
  1. Prairie CountyBest mid November · 19 checklists that week, 889 in all6.1%
  2. Crittenden CountyBest late November · 17 checklists that week, 1,136 in all4.9%
  3. Franklin CountyBest late October · 20 checklists that week, 1,315 in all4.5%
  4. Lonoke CountyBest late December · 82 checklists that week, 2,474 in all4.3%
  5. Arkansas CountyBest mid January · 22 checklists that week, 1,686 in all4.3%
  6. Poinsett CountyBest late November · 21 checklists that week, 661 in all4.1%

Best spots

Share of checklists at the peak
  1. Chensey Prairie Natural AreaBenton County, best mid October · 20 checklists that week, 375 in all21%
  2. Upper PondBenton County, best late October · 55 checklists that week, 2,250 in all8.2%
  3. Giles PondScott County, best late October · 47 checklists that week, 1,214 in all7.1%
  4. Lake Fayetteville ParkWashington County, best early April · 36 checklists that week, 1,197 in all6.7%

Busy spots report more of everything; compare the checklist counts before you drive anywhere.

Best time of day

In Arkansas, the Vesper Sparrow is most often listed on checklists started between 7 and 9 am (0.3% of those checklists).

0%0.5%12 am: too few checklists (98) to judge1 am: too few checklists (88) to judge2 am: too few checklists (95) to judge3 am: too few checklists (94) to judge4 am: too few checklists (145) to judge5 am: too few checklists (1455) to judge6 am: 0.2% of 10807 checklists7 am: 0.3% of 27761 checklists8 am: 0.3% of 30943 checklists9 am: 0.3% of 26975 checklists10 am: 0.3% of 21989 checklists11 am: 0.3% of 16828 checklists12 pm: 0.3% of 14069 checklists1 pm: 0.3% of 13145 checklists2 pm: 0.3% of 12780 checklists3 pm: 0.3% of 12723 checklists4 pm: 0.2% of 12500 checklists5 pm: 0.1% of 9576 checklists6 pm: 0.1% of 7182 checklists7 pm: too few checklists (4187) to judge8 pm: too few checklists (1314) to judge9 pm: too few checklists (245) to judge10 pm: too few checklists (122) to judge11 pm: too few checklists (75) to judge12a3a6a9a12p3p6p9p
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
MonthDays 1-78-1415-2122-end
January0.2%0.4%0.4%0.2%
February0.2%0.1%0.2%0.3%
March0.3%0.1%0.4%0.6%
April0.5%0.4%0.2%0.1%
May0.1%0%0%0%
June0%0%0%0%
July0%0%0%0%
August0%0%0%0%
September0%0%0%0%
October0.1%0.3%1.0%1.7%
November1.3%0.8%0.5%0.3%
December0.4%0.3%0.4%0.4%

Neighboring states

  • Missouri: arrives the second week of March, 20 weeks later than Arkansas
  • Oklahoma: arrives the second week of September, 4 weeks earlier than Arkansas
  • Kansas: arrives early September, 5 weeks earlier than Arkansas
  • Mississippi: arrives early November, 3 weeks later than Arkansas

Common questions

When do Vesper Sparrows arrive in Arkansas?
Vesper Sparrows are winter birds in Arkansas: they arrive in the second week of October, peak in late October (1.4% of checklists), and most are gone by late January.
When do Vesper Sparrows leave Arkansas?
Most Vesper Sparrows have left Arkansas by late January, when reports fall below half their usual rate.
When is the best time to see a Vesper Sparrow in Arkansas?
The Vesper Sparrow is reported most often in late October, on about 1.4% of Arkansas checklists.
Where in Arkansas are Vesper Sparrows seen most often?
By county, Prairie County, Crittenden County, and Franklin County have the highest peak reporting rates for the Vesper Sparrow (counties with at least 200 checklists).