WhenToBird

Setophaga americana · Parulidae

When Do Northern Parulas Arrive in Texas?

Adult Northern Parula
Photo: Terry Woodward, CC BY 4.0 via iNaturalist

Northern Parulas mostly pass through Texas: the first show up in the second week of March, they are common by mid March, peak in the second week of April (8.7% of checklists), and most are gone by the second week of May.

When to look

First arrivalsMar 8-14the second week of March
Common byMar 15-21mid March
PeakApr 8-14the second week of April
Most gone byMay 8-14the second week of May

Best: the second week of April. First arrivals the second week of March; most are gone by the second week of May. Peak: on about 8.7% of Texas checklists.

  1. Jannot usually seen
  2. Febnot usually seen
  3. Marpeak season
  4. Aprpeak season
  5. Maycommon
  6. Jununcommon
  7. Juluncommon
  8. Augrare
  9. Seprare
  10. Octuncommon
  11. Novrare
  12. Decnot usually seen

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

0%5%10%Jan 1-7: 0.2% of 66038 checklistsJan 8-14: 0.2% of 52445 checklistsJan 15-21: 0.2% of 52985 checklistsJan 22-31: 0.1% of 71020 checklistsFeb 1-7: 0.1% of 52306 checklistsFeb 8-14: 0.1% of 55887 checklistsFeb 15-21: 0.1% of 69016 checklistsFeb 22-28: 0.2% of 52998 checklistsMar 1-7: 0.5% of 50836 checklistsMar 8-14: 1.8% of 51749 checklistsMar 15-21: 3.8% of 53731 checklistsMar 22-31: 6.6% of 82049 checklistsApr 1-7: 8.8% of 65854 checklistsApr 8-14: 9.2% of 78434 checklistsApr 15-21: 8.0% of 92302 checklistsApr 22-30: 5.6% of 122878 checklistsMay 1-7: 3.9% of 74592 checklistsMay 8-14: 3.2% of 61008 checklistsMay 15-21: 2.3% of 43365 checklistsMay 22-31: 2.1% of 52736 checklistsJun 1-7: 2.2% of 31643 checklistsJun 8-14: 2.1% of 30131 checklistsJun 15-21: 1.9% of 26802 checklistsJun 22-30: 1.8% of 32822 checklistsJul 1-7: 1.5% of 27213 checklistsJul 8-14: 1.1% of 24555 checklistsJul 15-21: 0.8% of 24146 checklistsJul 22-31: 0.6% of 34536 checklistsAug 1-7: 0.6% of 25764 checklistsAug 8-14: 0.5% of 26347 checklistsAug 15-21: 0.6% of 28431 checklistsAug 22-31: 0.7% of 42838 checklistsSep 1-7: 0.9% of 35070 checklistsSep 8-14: 1.1% of 33893 checklistsSep 15-21: 1.1% of 32572 checklistsSep 22-30: 1.1% of 43771 checklistsOct 1-7: 1.1% of 34143 checklistsOct 8-14: 1.3% of 37563 checklistsOct 15-21: 1.7% of 36263 checklistsOct 22-31: 1.7% of 49170 checklistsNov 1-7: 1.1% of 43301 checklistsNov 8-14: 0.8% of 48744 checklistsNov 15-21: 0.3% of 42213 checklistsNov 22-30: 0.2% of 54455 checklistsDec 1-7: 0.2% of 40166 checklistsDec 8-14: 0.2% of 41035 checklistsDec 15-21: 0.1% of 46983 checklistsDec 22-31: 0.1% 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. Lee CountyBest the second week of June · 45 checklists that week, 2,078 in all53%
  2. Lavaca CountyBest the second week of May · 46 checklists that week, 1,674 in all36%
  3. Harrison CountyBest mid June · 48 checklists that week, 3,112 in all35%
  4. Liberty CountyBest the second week of April · 100 checklists that week, 3,558 in all33%
  5. Tyler CountyBest early April · 87 checklists that week, 2,482 in all30%
  6. Victoria CountyBest early April · 163 checklists that week, 5,873 in all28%

Best spots

Share of checklists at the peak
  1. Palmetto State ParkGonzales County, best late June · 45 checklists that week, 1,737 in all90%
  2. Stephen F Austin State ParkAustin County, best early April · 32 checklists that week, 719 in all83%
  3. Martin Dies, Jr. State Park (Rush Creek)Tyler County, best mid April · 24 checklists that week, 318 in all78%
  4. Riverside Park / Victoria Memorial Municipal ParkVictoria County, best early April · 28 checklists that week, 1,088 in all78%
  5. Lake Somerville Trailway State ParkLee County, best the second week of June · 23 checklists that week, 125 in all76%

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

Best time of day

In Texas, the Northern Parula is most often listed on checklists started between 6 and 8 am (2.8% of those checklists).

0%1%2%3%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: 2.6% of 74687 checklists7 am: 2.8% of 285131 checklists8 am: 2.6% of 329960 checklists9 am: 2.5% of 267889 checklists10 am: 2.3% of 218205 checklists11 am: 2.2% of 178879 checklists12 pm: 2.2% of 153722 checklists1 pm: 2.3% of 144662 checklists2 pm: 2.3% of 138578 checklists3 pm: 2.1% of 136878 checklists4 pm: 1.9% of 137550 checklists5 pm: 1.7% of 113599 checklists6 pm: 1.4% of 81743 checklists7 pm: 0.6% 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
January0.2%0.2%0.2%0.1%
February0.1%0.1%0.1%0.2%
March0.5%1.8%3.8%6.6%
April8.8%9.2%8.0%5.6%
May3.9%3.2%2.3%2.1%
June2.2%2.1%1.9%1.8%
July1.5%1.1%0.8%0.6%
August0.6%0.5%0.6%0.7%
September0.9%1.1%1.1%1.1%
October1.1%1.3%1.7%1.7%
November1.1%0.8%0.3%0.2%
December0.2%0.2%0.1%0.1%

Neighboring states

  • Louisiana: arrives late February, 2 weeks earlier than Texas
  • Oklahoma: arrives late March, 2 weeks later than Texas
  • Arkansas: arrives mid March, 1 week later than Texas
  • Mississippi: arrives early March, 1 week earlier than Texas

Common questions

When do Northern Parulas arrive in Texas?
Northern Parulas mostly pass through Texas: the first show up in the second week of March, they are common by mid March, peak in the second week of April (8.7% of checklists), and most are gone by the second week of May.
When do Northern Parulas leave Texas?
Most Northern Parulas have left Texas by the second week of May, when reports fall below half their usual rate. Stragglers are still reported until the second week of July.
When is the best time to see a Northern Parula in Texas?
The Northern Parula is reported most often in the second week of April, on about 8.7% of Texas checklists.
Where in Texas are Northern Parulas seen most often?
By county, Lee County, Lavaca County, and Harrison County have the highest peak reporting rates for the Northern Parula (counties with at least 200 checklists).