WhenToBird

Podilymbus podiceps · Podicipedidae

When Do Pied-billed Grebes Arrive in Texas?

Adult Pied-billed Grebe
Photo: Rodrigo Paiva Lázaro, CC BY 4.0 via iNaturalist

Pied-billed Grebes are winter birds in Texas: the first arrive in late June, they are common by early October, peak in the second week of January (16% of checklists), and most are gone by the second week of April.

When to look

First arrivalsJun 22-30late June
Common byOct 1-7early October
PeakJan 8-14the second week of January
Most gone byApr 8-14the second week of April

Best: the second week of January. First arrivals late June; most are gone by the second week of April. Peak: on about 16% of Texas checklists.

  1. Janpeak season
  2. Febpeak season
  3. Marpeak season
  4. Aprcommon
  5. Mayuncommon
  6. Junrare
  7. Julrare
  8. Auguncommon
  9. Sepuncommon
  10. Octpeak season
  11. Novpeak season
  12. Decpeak season

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

0%5%10%15%20%Jan 1-7: 17% of 66038 checklistsJan 8-14: 16% of 52445 checklistsJan 15-21: 16% of 52985 checklistsJan 22-31: 16% of 71020 checklistsFeb 1-7: 15% of 52306 checklistsFeb 8-14: 14% of 55887 checklistsFeb 15-21: 12% of 69016 checklistsFeb 22-28: 15% of 52998 checklistsMar 1-7: 15% of 50836 checklistsMar 8-14: 14% of 51749 checklistsMar 15-21: 13% of 53731 checklistsMar 22-31: 11% of 82049 checklistsApr 1-7: 10% of 65854 checklistsApr 8-14: 8.3% of 78434 checklistsApr 15-21: 6.0% of 92302 checklistsApr 22-30: 4.0% of 122878 checklistsMay 1-7: 2.6% of 74592 checklistsMay 8-14: 1.9% of 61008 checklistsMay 15-21: 1.7% of 43365 checklistsMay 22-31: 1.5% of 52736 checklistsJun 1-7: 1.3% of 31643 checklistsJun 8-14: 1.3% of 30131 checklistsJun 15-21: 1.3% of 26802 checklistsJun 22-30: 1.5% of 32822 checklistsJul 1-7: 1.9% of 27213 checklistsJul 8-14: 2.0% of 24555 checklistsJul 15-21: 2.0% of 24146 checklistsJul 22-31: 2.3% of 34536 checklistsAug 1-7: 2.4% of 25764 checklistsAug 8-14: 2.5% of 26347 checklistsAug 15-21: 2.6% of 28431 checklistsAug 22-31: 3.0% of 42838 checklistsSep 1-7: 3.7% of 35070 checklistsSep 8-14: 4.2% of 33893 checklistsSep 15-21: 4.3% of 32572 checklistsSep 22-30: 5.9% of 43771 checklistsOct 1-7: 7.8% of 34143 checklistsOct 8-14: 9.1% of 37563 checklistsOct 15-21: 12% of 36263 checklistsOct 22-31: 13% of 49170 checklistsNov 1-7: 15% of 43301 checklistsNov 8-14: 16% of 48744 checklistsNov 15-21: 15% of 42213 checklistsNov 22-30: 16% of 54455 checklistsDec 1-7: 16% of 40166 checklistsDec 8-14: 16% of 41035 checklistsDec 15-21: 15% of 46983 checklistsDec 22-31: 15% 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. Hutchinson CountyBest mid March · 19 checklists that week, 1,115 in all61%
  2. Freestone CountyBest early March · 31 checklists that week, 1,088 in all58%
  3. Nolan CountyBest the second week of November · 14 checklists that week, 680 in all54%
  4. McMullen CountyBest mid December · 199 checklists that week, 3,965 in all50%
  5. San Augustine CountyBest late October · 27 checklists that week, 745 in all49%
  6. Jack CountyBest the second week of November · 17 checklists that week, 812 in all47%

Best spots

Share of checklists at the peak
  1. Calaveras Lake ParkBexar County, best late December · 31 checklists that week, 777 in all99%
  2. Comal SpringsComal County, best early March · 27 checklists that week, 1,726 in all96%
  3. Braunig Lake ParkBexar County, best late January · 64 checklists that week, 1,163 in all95%
  4. Memorial Park (east)Harris County, best early February · 24 checklists that week, 1,272 in all94%
  5. San Bernard National Wildlife Refuge (southeast)Brazoria County, best early January · 25 checklists that week, 497 in all94%

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

Best time of day

In Texas, the Pied-billed Grebe is most often listed on checklists started between 1 and 3 pm (11% of those checklists).

0%5%10%15%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: 6.7% of 74687 checklists7 am: 9.5% of 285131 checklists8 am: 11% of 329960 checklists9 am: 10% of 267889 checklists10 am: 11% of 218205 checklists11 am: 10% of 178879 checklists12 pm: 10% of 153722 checklists1 pm: 11% of 144662 checklists2 pm: 11% of 138578 checklists3 pm: 10% of 136878 checklists4 pm: 9.2% of 137550 checklists5 pm: 6.4% of 113599 checklists6 pm: 4.1% of 81743 checklists7 pm: 1.9% 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
January17%16%16%16%
February15%14%12%15%
March15%14%13%11%
April10%8.3%6.0%4.0%
May2.6%1.9%1.7%1.5%
June1.3%1.3%1.3%1.5%
July1.9%2.0%2.0%2.3%
August2.4%2.5%2.6%3.0%
September3.7%4.2%4.3%5.9%
October7.8%9.1%12%13%
November15%16%15%16%
December16%16%15%15%

Neighboring states

  • Louisiana: arrives late June, in the same week than Texas
  • Oklahoma: arrives early August, 5 weeks later than Texas
  • Arkansas: arrives early August, 5 weeks later than Texas
  • Mississippi: arrives early September, 9 weeks later than Texas

Common questions

When do Pied-billed Grebes arrive in Texas?
Pied-billed Grebes are winter birds in Texas: the first arrive in late June, they are common by early October, peak in the second week of January (16% of checklists), and most are gone by the second week of April.
When do Pied-billed Grebes leave Texas?
Most Pied-billed Grebes have left Texas by the second week of April, when reports fall below half their usual rate. Stragglers are still reported until early June.
When is the best time to see a Pied-billed Grebe in Texas?
The Pied-billed Grebe is reported most often in the second week of January, on about 16% of Texas checklists.
Where in Texas are Pied-billed Grebes seen most often?
By county, Hutchinson County, Freestone County, and Nolan County have the highest peak reporting rates for the Pied-billed Grebe (counties with at least 200 checklists).