WhenToBird

Mareca strepera · Anatidae

When Do Gadwalls Arrive in Alabama?

Adult Gadwall
Photo: Anne Parsons, CC0 1.0 via iNaturalist

Gadwalls are winter birds in Alabama: the first arrive in mid October, they are common by early November, peak in mid January (8.6% of checklists), and most are gone by early March.

When to look

First arrivalsOct 15-21mid October
Common byNov 1-7early November
PeakJan 15-21mid January
Most gone byMar 1-7early March

Best: mid January. First arrivals mid October; most are gone by early March. Peak: on about 8.6% of Alabama checklists.

  1. Janpeak season
  2. Febpeak season
  3. Marcommon
  4. Aprrare
  5. Maynot usually seen
  6. Junnot usually seen
  7. Julnot usually seen
  8. Augnot usually seen
  9. Sepnot usually seen
  10. Octuncommon
  11. Novpeak season
  12. Decpeak season

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

0%5%10%Jan 1-7: 8.4% of 8642 checklistsJan 8-14: 8.6% of 6607 checklistsJan 15-21: 7.8% of 6680 checklistsJan 22-31: 9.1% of 9008 checklistsFeb 1-7: 5.4% of 6642 checklistsFeb 8-14: 4.7% of 7568 checklistsFeb 15-21: 3.2% of 9929 checklistsFeb 22-28: 4.3% of 6490 checklistsMar 1-7: 4.3% of 6458 checklistsMar 8-14: 3.4% of 6570 checklistsMar 15-21: 2.3% of 6773 checklistsMar 22-31: 1.6% of 10830 checklistsApr 1-7: 0.7% of 8995 checklistsApr 8-14: 0.5% of 10390 checklistsApr 15-21: 0.3% of 12700 checklistsApr 22-30: 0.2% of 14225 checklistsMay 1-7: 0.2% of 9140 checklistsMay 8-14: 0.1% of 8111 checklistsMay 15-21: 0.1% of 6353 checklistsMay 22-31: 0.1% of 8318 checklistsJun 1-7: 0.1% of 5231 checklistsJun 8-14: 0.1% of 4757 checklistsJun 15-21: 0.1% of 4646 checklistsJun 22-30: 0.1% of 5740 checklistsJul 1-7: 0.1% of 4694 checklistsJul 8-14: 0.1% of 4178 checklistsJul 15-21: 0% of 4109 checklistsJul 22-31: 0.1% of 6000 checklistsAug 1-7: 0.1% of 4666 checklistsAug 8-14: 0.1% of 4468 checklistsAug 15-21: 0.1% of 4474 checklistsAug 22-31: 0.1% of 6494 checklistsSep 1-7: 0.1% of 5434 checklistsSep 8-14: 0.1% of 5216 checklistsSep 15-21: 0.1% of 5162 checklistsSep 22-30: 0.1% of 7474 checklistsOct 1-7: 0.2% of 6916 checklistsOct 8-14: 0.5% of 7332 checklistsOct 15-21: 1.6% of 6038 checklistsOct 22-31: 3.1% of 7071 checklistsNov 1-7: 3.9% of 5207 checklistsNov 8-14: 5.2% of 4883 checklistsNov 15-21: 7.8% of 5122 checklistsNov 22-30: 7.8% of 7130 checklistsDec 1-7: 7.4% of 4897 checklistsDec 8-14: 7.3% of 4738 checklistsDec 15-21: 8.3% of 5321 checklistsDec 22-31: 6.9% of 9158 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 Alabama 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 Alabama

Best counties

Share of checklists at the peak
  1. Limestone CountyBest early December · 144 checklists that week, 6,886 in all54%
  2. Jackson CountyBest the second week of December · 43 checklists that week, 2,292 in all53%
  3. Morgan CountyBest late November · 288 checklists that week, 6,256 in all50%
  4. Dallas CountyBest early December · 20 checklists that week, 608 in all48%
  5. Hale CountyBest late December · 24 checklists that week, 2,977 in all35%
  6. Greene CountyBest the second week of December · 10 checklists that week, 847 in all29%

Best spots

Share of checklists at the peak
  1. Jackson County Waterfowl Area and RefugeJackson County, best late November · 20 checklists that week, 352 in all100%
  2. Buckeye PondMadison County, best late December · 36 checklists that week, 892 in all87%
  3. Wheeler National Wildlife Refuge (Whiteside)Limestone County, best the second week of March · 25 checklists that week, 757 in all84%
  4. Guntersville Reservoir Retained LandMarshall County, best late December · 22 checklists that week, 282 in all80%
  5. Beulah BayLimestone County, best mid November · 21 checklists that week, 373 in all78%
  6. Flint Creek Island (Crabtree Slough)Morgan County, best the second week of January · 48 checklists that week, 529 in all70%

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

Best time of day

In Alabama, the Gadwall is most often listed on checklists started between 12 and 2 pm (4.2% of those checklists).

0%2%4%6%12 am: too few checklists (109) to judge1 am: too few checklists (111) to judge2 am: too few checklists (112) to judge3 am: too few checklists (143) to judge4 am: too few checklists (303) to judge5 am: too few checklists (4125) to judge6 am: 1.3% of 26677 checklists7 am: 1.9% of 42599 checklists8 am: 2.3% of 39919 checklists9 am: 3.1% of 34699 checklists10 am: 3.3% of 28551 checklists11 am: 3.9% of 23505 checklists12 pm: 4.2% of 20345 checklists1 pm: 4.2% of 18964 checklists2 pm: 3.8% of 20110 checklists3 pm: 3.2% of 20685 checklists4 pm: 1.8% of 19041 checklists5 pm: 0.6% of 13807 checklists6 pm: 0.3% of 8507 checklists7 pm: too few checklists (3367) to judge8 pm: too few checklists (637) to judge9 pm: too few checklists (295) to judge10 pm: too few checklists (233) to judge11 pm: too few checklists (141) 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
January8.4%8.6%7.8%9.1%
February5.4%4.7%3.2%4.3%
March4.3%3.4%2.3%1.6%
April0.7%0.5%0.3%0.2%
May0.2%0.1%0.1%0.1%
June0.1%0.1%0.1%0.1%
July0.1%0.1%0%0.1%
August0.1%0.1%0.1%0.1%
September0.1%0.1%0.1%0.1%
October0.2%0.5%1.6%3.1%
November3.9%5.2%7.8%7.8%
December7.4%7.3%8.3%6.9%

Neighboring states

  • Mississippi: arrives mid October, in the same week than Alabama
  • Georgia: arrives late October, 1 week later than Alabama
  • Tennessee: arrives the second week of October, 1 week earlier than Alabama
  • Louisiana: arrives mid October, in the same week than Alabama

Common questions

When do Gadwalls arrive in Alabama?
Gadwalls are winter birds in Alabama: the first arrive in mid October, they are common by early November, peak in mid January (8.6% of checklists), and most are gone by early March.
When do Gadwalls leave Alabama?
Most Gadwalls have left Alabama by early March, when reports fall below half their usual rate. Stragglers are still reported until late March.
When is the best time to see a Gadwall in Alabama?
The Gadwall is reported most often in mid January, on about 8.6% of Alabama checklists.
Where in Alabama are Gadwalls seen most often?
By county, Limestone County, Jackson County, and Morgan County have the highest peak reporting rates for the Gadwall (counties with at least 200 checklists).