WhenToBird

Ardea herodias · Ardeidae

When Do Great Blue Herons Arrive in Alabama?

Adult Great Blue Heron
Photo: mostbittern, CC BY 4.0 via iNaturalist

The Great Blue Heron is in Alabama all year. It turns up on about 28% of checklists at its peak (mid November) and on 19% in its quietest week (mid February).

When to look

PresentAll year
Peak weekNov 15-21mid November
Quietest weekFeb 15-21mid February

Best: mid November. Here all year. Peak: on about 28% of Alabama checklists.

  1. Janpeak season
  2. Febpeak season
  3. Marpeak season
  4. Aprpeak season
  5. Maypeak season
  6. Juncommon
  7. Julpeak season
  8. Augpeak season
  9. Seppeak season
  10. Octpeak season
  11. Novpeak season
  12. Decpeak season

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

0%10%20%30%Jan 1-7: 25% of 8642 checklistsJan 8-14: 25% of 6607 checklistsJan 15-21: 23% of 6680 checklistsJan 22-31: 24% of 9008 checklistsFeb 1-7: 23% of 6642 checklistsFeb 8-14: 19% of 7568 checklistsFeb 15-21: 16% of 9929 checklistsFeb 22-28: 21% of 6490 checklistsMar 1-7: 22% of 6458 checklistsMar 8-14: 21% of 6570 checklistsMar 15-21: 22% of 6773 checklistsMar 22-31: 22% of 10830 checklistsApr 1-7: 22% of 8995 checklistsApr 8-14: 24% of 10390 checklistsApr 15-21: 24% of 12700 checklistsApr 22-30: 22% of 14225 checklistsMay 1-7: 22% of 9140 checklistsMay 8-14: 21% of 8111 checklistsMay 15-21: 20% of 6353 checklistsMay 22-31: 20% of 8318 checklistsJun 1-7: 18% of 5231 checklistsJun 8-14: 20% of 4757 checklistsJun 15-21: 20% of 4646 checklistsJun 22-30: 21% of 5740 checklistsJul 1-7: 22% of 4694 checklistsJul 8-14: 20% of 4178 checklistsJul 15-21: 21% of 4109 checklistsJul 22-31: 23% of 6000 checklistsAug 1-7: 24% of 4666 checklistsAug 8-14: 22% of 4468 checklistsAug 15-21: 23% of 4474 checklistsAug 22-31: 25% of 6494 checklistsSep 1-7: 23% of 5434 checklistsSep 8-14: 22% of 5216 checklistsSep 15-21: 21% of 5162 checklistsSep 22-30: 22% of 7474 checklistsOct 1-7: 25% of 6916 checklistsOct 8-14: 25% of 7332 checklistsOct 15-21: 26% of 6038 checklistsOct 22-31: 27% of 7071 checklistsNov 1-7: 25% of 5207 checklistsNov 8-14: 27% of 4883 checklistsNov 15-21: 29% of 5122 checklistsNov 22-30: 28% of 7130 checklistsDec 1-7: 27% of 4897 checklistsDec 8-14: 26% of 4738 checklistsDec 15-21: 28% of 5321 checklistsDec 22-31: 26% 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. Lawrence CountyBest early December · 22 checklists that week, 1,969 in all88%
  2. Perry CountyBest mid August · 24 checklists that week, 1,066 in all78%
  3. Colbert CountyBest late August · 237 checklists that week, 4,794 in all73%
  4. Limestone CountyBest early November · 132 checklists that week, 6,886 in all72%
  5. Jackson CountyBest the second week of December · 43 checklists that week, 2,292 in all71%
  6. Hale CountyBest late October · 29 checklists that week, 2,977 in all71%

Best spots

Share of checklists at the peak
  1. Lake PurdyShelby County, best mid November · 20 checklists that week, 437 in all100%
  2. Wheeler Reservoir Retained LandLawrence County, best early July · 20 checklists that week, 841 in all100%
  3. Jackson County Waterfowl Area and RefugeJackson County, best late November · 20 checklists that week, 352 in all98%
  4. Johnson LakeColbert County, best early August · 31 checklists that week, 895 in all97%

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

Best time of day

In Alabama, the Great Blue Heron is most often listed on checklists started between 1 and 3 pm (24% of those checklists).

0%10%20%30%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: 25% of 26677 checklists7 am: 24% of 42599 checklists8 am: 23% of 39919 checklists9 am: 23% of 34699 checklists10 am: 23% of 28551 checklists11 am: 23% of 23505 checklists12 pm: 23% of 20345 checklists1 pm: 25% of 18964 checklists2 pm: 24% of 20110 checklists3 pm: 23% of 20685 checklists4 pm: 21% of 19041 checklists5 pm: 20% of 13807 checklists6 pm: 19% 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
January25%25%23%24%
February23%19%16%21%
March22%21%22%22%
April22%24%24%22%
May22%21%20%20%
June18%20%20%21%
July22%20%21%23%
August24%22%23%25%
September23%22%21%22%
October25%25%26%27%
November25%27%29%28%
December27%26%28%26%

Neighboring states

  • Mississippi: year-round, peaks late November
  • Georgia: year-round, peaks the second week of December
  • Tennessee: year-round, peaks mid November
  • Louisiana: year-round, peaks early November

Common questions

When do Great Blue Herons arrive in Alabama?
The Great Blue Heron is in Alabama all year. It turns up on about 28% of checklists at its peak (mid November) and on 19% in its quietest week (mid February).
When do Great Blue Herons leave Alabama?
The Great Blue Heron does not leave Alabama: it is reported all year, from 19% of checklists in mid February to 28% in mid November.
When is the best time to see a Great Blue Heron in Alabama?
The Great Blue Heron is reported most often in mid November, on about 28% of Alabama checklists.
Where in Alabama are Great Blue Herons seen most often?
By county, Lawrence County, Perry County, and Colbert County have the highest peak reporting rates for the Great Blue Heron (counties with at least 200 checklists).