WhenToBird

Rallus crepitans · Rallidae

When Do Clapper Rails Arrive in Texas?

Adult Clapper Rail
Photo: Kathy Richardson, CC BY 4.0 via iNaturalist

Clapper Rails reach Texas in mid February, are common by early March, peak in mid April (1.8% of checklists), and most are gone by mid January.

When to look

First arrivalsFeb 15-21mid February
Common byMar 1-7early March
PeakApr 15-21mid April
Most gone byJan 15-21mid January

Best: mid April. First arrivals mid February; most are gone by mid January. Peak: on about 1.8% of Texas checklists.

  1. Januncommon
  2. Febuncommon
  3. Marcommon
  4. Aprpeak season
  5. Maycommon
  6. Jununcommon
  7. Julcommon
  8. Augcommon
  9. Sepcommon
  10. Octcommon
  11. Novcommon
  12. Deccommon

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

0%1%2%3%Jan 1-7: 0.7% of 66038 checklistsJan 8-14: 0.7% of 52445 checklistsJan 15-21: 0.6% of 52985 checklistsJan 22-31: 0.7% of 71020 checklistsFeb 1-7: 0.5% of 52306 checklistsFeb 8-14: 0.4% of 55887 checklistsFeb 15-21: 0.4% of 69016 checklistsFeb 22-28: 0.7% of 52998 checklistsMar 1-7: 0.5% of 50836 checklistsMar 8-14: 0.7% of 51749 checklistsMar 15-21: 0.6% of 53731 checklistsMar 22-31: 0.9% of 82049 checklistsApr 1-7: 1.0% of 65854 checklistsApr 8-14: 1.5% of 78434 checklistsApr 15-21: 2.0% of 92302 checklistsApr 22-30: 1.8% of 122878 checklistsMay 1-7: 1.1% of 74592 checklistsMay 8-14: 0.7% of 61008 checklistsMay 15-21: 0.6% of 43365 checklistsMay 22-31: 0.5% of 52736 checklistsJun 1-7: 0.5% of 31643 checklistsJun 8-14: 0.6% of 30131 checklistsJun 15-21: 0.5% of 26802 checklistsJun 22-30: 0.6% of 32822 checklistsJul 1-7: 0.6% of 27213 checklistsJul 8-14: 0.7% of 24555 checklistsJul 15-21: 0.8% of 24146 checklistsJul 22-31: 0.8% of 34536 checklistsAug 1-7: 0.9% of 25764 checklistsAug 8-14: 0.7% of 26347 checklistsAug 15-21: 1.0% of 28431 checklistsAug 22-31: 0.7% of 42838 checklistsSep 1-7: 0.7% of 35070 checklistsSep 8-14: 0.7% of 33893 checklistsSep 15-21: 0.9% of 32572 checklistsSep 22-30: 0.8% of 43771 checklistsOct 1-7: 1.0% of 34143 checklistsOct 8-14: 0.9% of 37563 checklistsOct 15-21: 0.9% of 36263 checklistsOct 22-31: 1.1% of 49170 checklistsNov 1-7: 1.4% of 43301 checklistsNov 8-14: 1.4% of 48744 checklistsNov 15-21: 1.1% of 42213 checklistsNov 22-30: 0.8% of 54455 checklistsDec 1-7: 0.9% of 40166 checklistsDec 8-14: 0.9% of 41035 checklistsDec 15-21: 0.9% of 46983 checklistsDec 22-31: 0.6% of 73015 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 Texas 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 Texas

Best counties

Share of checklists at the peak
  1. Refugio CountyBest mid July · 17 checklists that week, 3,809 in all19%
  2. Calhoun CountyBest late August · 62 checklists that week, 7,186 in all17%
  3. Galveston CountyBest early August · 1063 checklists that week, 129,637 in all10%
  4. Jefferson CountyBest mid October · 477 checklists that week, 23,503 in all10%
  5. Matagorda CountyBest mid May · 89 checklists that week, 8,247 in all8.5%
  6. Aransas CountyBest early July · 114 checklists that week, 30,389 in all8.0%

Best spots

Share of checklists at the peak
  1. Russell TractBrazoria County, best early November · 22 checklists that week, 576 in all79%
  2. Sweetwater PreserveGalveston County, best the second week of December · 24 checklists that week, 158 in all73%
  3. Lighthouse Beach ParkCalhoun County, best late April · 21 checklists that week, 322 in all62%

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

Best time of day

In Texas, the Clapper Rail is most often listed on checklists started between 6 and 8 am (1.1% of those checklists).

0%0.5%1%1.5%12 am: too few checklists (898) to judge1 am: too few checklists (756) to judge2 am: too few checklists (663) to judge3 am: too few checklists (741) to judge4 am: too few checklists (1537) to judge5 am: too few checklists (6113) to judge6 am: 1.3% of 74687 checklists7 am: 1.0% of 285131 checklists8 am: 1.1% of 329960 checklists9 am: 1.0% of 267889 checklists10 am: 0.9% of 218205 checklists11 am: 0.8% of 178879 checklists12 pm: 0.8% of 153722 checklists1 pm: 0.8% of 144662 checklists2 pm: 0.8% of 138578 checklists3 pm: 0.7% of 136878 checklists4 pm: 0.7% of 137550 checklists5 pm: 0.8% of 113599 checklists6 pm: 0.8% of 81743 checklists7 pm: 0.7% of 53396 checklists8 pm: too few checklists (17221) to judge9 pm: too few checklists (4048) to judge10 pm: too few checklists (1965) to judge11 pm: too few checklists (990) 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
January0.7%0.7%0.6%0.7%
February0.5%0.4%0.4%0.7%
March0.5%0.7%0.6%0.9%
April1.0%1.5%2.0%1.8%
May1.1%0.7%0.6%0.5%
June0.5%0.6%0.5%0.6%
July0.6%0.7%0.8%0.8%
August0.9%0.7%1.0%0.7%
September0.7%0.7%0.9%0.8%
October1.0%0.9%0.9%1.1%
November1.4%1.4%1.1%0.8%
December0.9%0.9%0.9%0.6%

Neighboring states

  • Louisiana: arrives early March, 2 weeks later than Texas
  • Mississippi: year-round, peaks mid October
  • Alabama: arrives early March, 2 weeks later than Texas
  • Georgia: arrives late August, 23 weeks earlier than Texas

Common questions

When do Clapper Rails arrive in Texas?
Clapper Rails reach Texas in mid February, are common by early March, peak in mid April (1.8% of checklists), and most are gone by mid January.
When do Clapper Rails leave Texas?
Most Clapper Rails have left Texas by mid January, when reports fall below half their usual rate. Stragglers are still reported until early February.
When is the best time to see a Clapper Rail in Texas?
The Clapper Rail is reported most often in mid April, on about 1.8% of Texas checklists.
Where in Texas are Clapper Rails seen most often?
By county, Refugio County, Calhoun County, and Galveston County have the highest peak reporting rates for the Clapper Rail (counties with at least 200 checklists).