WhenToBird

Pelecanus erythrorhynchos · Pelecanidae

When Do American White Pelicans Arrive in Missouri?

Adult American White Pelican
Photo: Craig K, CC BY 4.0 via iNaturalist

American White Pelicans are winter birds in Missouri: the first arrive in late June, they are common by the second week of July, peak in late March (5.5% of checklists), and most are gone by late May.

When to look

First arrivalsJun 22-30late June
Common byJul 8-14the second week of July
PeakMar 22-31late March
Most gone byMay 22-31late May

Best: late March. First arrivals late June; most are gone by late May. Peak: on about 5.5% of Missouri checklists.

  1. Januncommon
  2. Febcommon
  3. Marpeak season
  4. Aprpeak season
  5. Mayuncommon
  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%2%4%6%Jan 1-7: 1.3% of 12628 checklistsJan 8-14: 1.6% of 9076 checklistsJan 15-21: 1.3% of 8790 checklistsJan 22-31: 2.0% of 11986 checklistsFeb 1-7: 2.4% of 8987 checklistsFeb 8-14: 2.0% of 10394 checklistsFeb 15-21: 2.0% of 15472 checklistsFeb 22-28: 3.5% of 9917 checklistsMar 1-7: 3.5% of 9877 checklistsMar 8-14: 4.1% of 9570 checklistsMar 15-21: 4.9% of 10274 checklistsMar 22-31: 5.8% of 16156 checklistsApr 1-7: 5.5% of 12774 checklistsApr 8-14: 4.5% of 14048 checklistsApr 15-21: 4.0% of 14894 checklistsApr 22-30: 2.8% of 23288 checklistsMay 1-7: 2.0% of 22645 checklistsMay 8-14: 1.5% of 21384 checklistsMay 15-21: 2.3% of 13989 checklistsMay 22-31: 2.1% of 15784 checklistsJun 1-7: 1.2% of 9691 checklistsJun 8-14: 1.1% of 9036 checklistsJun 15-21: 1.0% of 7907 checklistsJun 22-30: 0.9% of 9831 checklistsJul 1-7: 1.3% of 8008 checklistsJul 8-14: 1.8% of 7202 checklistsJul 15-21: 2.3% of 7151 checklistsJul 22-31: 2.9% of 9833 checklistsAug 1-7: 2.5% of 7639 checklistsAug 8-14: 3.0% of 7507 checklistsAug 15-21: 3.5% of 7429 checklistsAug 22-31: 3.3% of 11182 checklistsSep 1-7: 3.4% of 9471 checklistsSep 8-14: 3.7% of 8501 checklistsSep 15-21: 3.6% of 8169 checklistsSep 22-30: 4.4% of 11572 checklistsOct 1-7: 4.7% of 9028 checklistsOct 8-14: 5.3% of 9413 checklistsOct 15-21: 4.6% of 8656 checklistsOct 22-31: 5.3% of 11625 checklistsNov 1-7: 4.1% of 8627 checklistsNov 8-14: 4.0% of 8284 checklistsNov 15-21: 4.2% of 8075 checklistsNov 22-30: 4.0% of 10430 checklistsDec 1-7: 2.9% of 7870 checklistsDec 8-14: 2.5% of 7567 checklistsDec 15-21: 1.5% of 9696 checklistsDec 22-31: 1.5% of 13142 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 Missouri 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 Missouri

Best counties

Share of checklists at the peak
  1. Monroe CountyBest mid September · 53 checklists that week, 1,048 in all82%
  2. Polk CountyBest late September · 34 checklists that week, 1,429 in all67%
  3. Henry CountyBest early October · 56 checklists that week, 2,306 in all55%
  4. Macon CountyBest early October · 33 checklists that week, 1,377 in all45%
  5. Vernon CountyBest late September · 18 checklists that week, 1,443 in all44%
  6. Randolph CountyBest early October · 22 checklists that week, 838 in all44%

Best spots

Share of checklists at the peak
  1. Smithville Lake (east)Clay County, best mid March · 23 checklists that week, 522 in all91%
  2. Alton SloughSt. Charles County, best early April · 140 checklists that week, 7,626 in all90%
  3. ClarksvillePike County, best late January · 20 checklists that week, 105 in all69%
  4. Smithville LakeClay County, best late March · 20 checklists that week, 598 in all64%

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

Best time of day

In Missouri, the American White Pelican is most often listed on checklists started between 12 and 2 pm (4.1% of those checklists).

0%2%4%6%12 am: too few checklists (205) to judge1 am: too few checklists (179) to judge2 am: too few checklists (204) to judge3 am: too few checklists (216) to judge4 am: too few checklists (630) to judge5 am: too few checklists (5072) to judge6 am: 1.4% of 27231 checklists7 am: 2.0% of 64162 checklists8 am: 2.4% of 67854 checklists9 am: 3.4% of 56515 checklists10 am: 3.8% of 47496 checklists11 am: 4.1% of 38845 checklists12 pm: 4.0% of 33383 checklists1 pm: 4.2% of 32503 checklists2 pm: 3.9% of 32615 checklists3 pm: 3.4% of 32514 checklists4 pm: 2.9% of 30274 checklists5 pm: 2.4% of 23446 checklists6 pm: 2.1% of 16374 checklists7 pm: too few checklists (10236) to judge8 pm: too few checklists (3133) to judge9 pm: too few checklists (722) to judge10 pm: too few checklists (405) to judge11 pm: too few checklists (261) 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
January1.3%1.6%1.3%2.0%
February2.4%2.0%2.0%3.5%
March3.5%4.1%4.9%5.8%
April5.5%4.5%4.0%2.8%
May2.0%1.5%2.3%2.1%
June1.2%1.1%1.0%0.9%
July1.3%1.8%2.3%2.9%
August2.5%3.0%3.5%3.3%
September3.4%3.7%3.6%4.4%
October4.7%5.3%4.6%5.3%
November4.1%4.0%4.2%4.0%
December2.9%2.5%1.5%1.5%

Neighboring states

  • Arkansas: arrives mid July, 3 weeks later than Missouri
  • Iowa: arrives mid March, 13 weeks earlier than Missouri
  • Kansas: arrives early July, 1 week later than Missouri
  • Illinois: arrives the second week of February, 18 weeks earlier than Missouri

Common questions

When do American White Pelicans arrive in Missouri?
American White Pelicans are winter birds in Missouri: the first arrive in late June, they are common by the second week of July, peak in late March (5.5% of checklists), and most are gone by late May.
When do American White Pelicans leave Missouri?
Most American White Pelicans have left Missouri by late May, when reports fall below half their usual rate. Stragglers are still reported until the second week of June.
When is the best time to see a American White Pelican in Missouri?
The American White Pelican is reported most often in late March, on about 5.5% of Missouri checklists.
Where in Missouri are American White Pelicans seen most often?
By county, Monroe County, Polk County, and Henry County have the highest peak reporting rates for the American White Pelican (counties with at least 200 checklists).