WhenToBird

Astur cooperii · Accipitridae

When Do Cooper's Hawks Arrive in Texas?

Adult male Cooper's Hawk
Photo: Shirley Zundell, CC BY 4.0 via iNaturalist

Cooper's Hawks are in Texas all year, but most are here in fall: numbers build from the second week of September, peak in the second week of October (8.1% of checklists), and fall back by mid December. In the quietest week (early June) they are still on about 2.9% of checklists.

When to look

Numbers buildSep 8-14the second week of September
PeakOct 8-14the second week of October
Fall back byDec 15-21mid December
FewestJun 1-7early June

Best: the second week of October. Here all year; numbers build from the second week of September and fall back by mid December. Peak: on about 8.1% of Texas checklists.

  1. Jancommon
  2. Febcommon
  3. Marcommon
  4. Aprcommon
  5. Maycommon
  6. Jununcommon
  7. Julcommon
  8. Augcommon
  9. Seppeak season
  10. Octpeak season
  11. Novpeak season
  12. Deccommon

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

0%5%10%Jan 1-7: 5.1% of 66038 checklistsJan 8-14: 5.3% of 52445 checklistsJan 15-21: 5.0% of 52985 checklistsJan 22-31: 5.0% of 71020 checklistsFeb 1-7: 5.1% of 52306 checklistsFeb 8-14: 5.1% of 55887 checklistsFeb 15-21: 4.8% of 69016 checklistsFeb 22-28: 5.3% of 52998 checklistsMar 1-7: 5.6% of 50836 checklistsMar 8-14: 6.0% of 51749 checklistsMar 15-21: 5.7% of 53731 checklistsMar 22-31: 5.4% of 82049 checklistsApr 1-7: 5.0% of 65854 checklistsApr 8-14: 4.4% of 78434 checklistsApr 15-21: 3.8% of 92302 checklistsApr 22-30: 3.7% of 122878 checklistsMay 1-7: 3.8% of 74592 checklistsMay 8-14: 3.2% of 61008 checklistsMay 15-21: 2.9% of 43365 checklistsMay 22-31: 2.8% of 52736 checklistsJun 1-7: 3.1% of 31643 checklistsJun 8-14: 2.9% of 30131 checklistsJun 15-21: 3.1% of 26802 checklistsJun 22-30: 3.0% of 32822 checklistsJul 1-7: 3.2% of 27213 checklistsJul 8-14: 3.2% of 24555 checklistsJul 15-21: 3.3% of 24146 checklistsJul 22-31: 3.6% of 34536 checklistsAug 1-7: 3.8% of 25764 checklistsAug 8-14: 4.0% of 26347 checklistsAug 15-21: 4.3% of 28431 checklistsAug 22-31: 4.5% of 42838 checklistsSep 1-7: 5.4% of 35070 checklistsSep 8-14: 5.6% of 33893 checklistsSep 15-21: 6.0% of 32572 checklistsSep 22-30: 7.6% of 43771 checklistsOct 1-7: 8.0% of 34143 checklistsOct 8-14: 7.7% of 37563 checklistsOct 15-21: 8.7% of 36263 checklistsOct 22-31: 7.5% of 49170 checklistsNov 1-7: 7.6% of 43301 checklistsNov 8-14: 7.6% of 48744 checklistsNov 15-21: 6.5% of 42213 checklistsNov 22-30: 5.9% of 54455 checklistsDec 1-7: 5.8% of 40166 checklistsDec 8-14: 5.8% of 41035 checklistsDec 15-21: 5.9% of 46983 checklistsDec 22-31: 5.3% 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. Hartley CountyBest late September · 10 checklists that week, 460 in all29%
  2. Chambers CountyBest late September · 475 checklists that week, 23,046 in all25%
  3. Jim Wells CountyBest late October · 53 checklists that week, 2,474 in all23%
  4. Hidalgo CountyBest mid October · 1378 checklists that week, 119,045 in all20%
  5. Rains CountyBest late August · 16 checklists that week, 1,265 in all20%
  6. Duval CountyBest early November · 30 checklists that week, 1,580 in all19%

Best spots

Share of checklists at the peak
  1. Candy Abshier Wildlife Management AreaChambers County, best the second week of October · 64 checklists that week, 668 in all76%
  2. Memorial Park (west)El Paso County, best late March · 26 checklists that week, 824 in all67%
  3. Bentsen - Rio Grande Valley State Park (south)Hidalgo County, best early April · 107 checklists that week, 2,096 in all64%
  4. Mills Pond Recreation AreaTravis County, best the second week of March · 59 checklists that week, 5,806 in all61%
  5. Leon Creek Greenway NorthBexar County, best the second week of March · 22 checklists that week, 952 in all60%
  6. Hazel Bazemore County Park (west)Nueces County, best the second week of October · 61 checklists that week, 1,264 in all59%

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

Best time of day

In Texas, the Cooper's Hawk is most often listed on checklists started between 6 and 8 am (7.6% of those checklists).

0%2%4%6%8%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: 7.5% of 74687 checklists7 am: 7.6% of 285131 checklists8 am: 6.7% of 329960 checklists9 am: 5.3% of 267889 checklists10 am: 4.6% of 218205 checklists11 am: 4.0% of 178879 checklists12 pm: 3.8% of 153722 checklists1 pm: 4.0% of 144662 checklists2 pm: 3.9% of 138578 checklists3 pm: 4.1% of 136878 checklists4 pm: 4.0% of 137550 checklists5 pm: 3.9% of 113599 checklists6 pm: 3.5% of 81743 checklists7 pm: 2.8% 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
January5.1%5.3%5.0%5.0%
February5.1%5.1%4.8%5.3%
March5.6%6.0%5.7%5.4%
April5.0%4.4%3.8%3.7%
May3.8%3.2%2.9%2.8%
June3.1%2.9%3.1%3.0%
July3.2%3.2%3.3%3.6%
August3.8%4.0%4.3%4.5%
September5.4%5.6%6.0%7.6%
October8.0%7.7%8.7%7.5%
November7.6%7.6%6.5%5.9%
December5.8%5.8%5.9%5.3%

Neighboring states

  • Louisiana: arrives late August, 2 weeks earlier than Texas
  • Oklahoma: arrives mid June, 11 weeks earlier than Texas
  • Arkansas: arrives mid June, 11 weeks earlier than Texas
  • Mississippi: arrives the second week of June, 12 weeks earlier than Texas

Common questions

When do Cooper's Hawks arrive in Texas?
Cooper's Hawks are in Texas all year, but most are here in fall: numbers build from the second week of September, peak in the second week of October (8.1% of checklists), and fall back by mid December. In the quietest week (early June) they are still on about 2.9% of checklists.
When do Cooper's Hawks leave Texas?
Cooper's Hawks never fully leave Texas: numbers fall back below half their usual rate by mid December, but some are still reported in every week, about 2.9% of checklists at the low.
When is the best time to see a Cooper's Hawk in Texas?
The Cooper's Hawk is reported most often in the second week of October, on about 8.1% of Texas checklists.
Where in Texas are Cooper's Hawks seen most often?
By county, Hartley County, Chambers County, and Jim Wells County have the highest peak reporting rates for the Cooper's Hawk (counties with at least 200 checklists).