WhenToBird

Anas platyrhynchos · Anatidae

When Do Mallards Arrive in Nebraska?

Adult male Mallard
Photo: euqirneto, CC BY 4.0 via iNaturalist

Mallards are in Nebraska all year, but most are here in spring: numbers build from late February, peak in the second week of April (32% of checklists), and fall back by the second week of May. In the quietest week (the second week of July) they are still on about 12% of checklists.

When to look

Numbers buildFeb 22-28late February
PeakApr 8-14the second week of April
Fall back byMay 8-14the second week of May
FewestJul 8-14the second week of July

Best: the second week of April. Here all year; numbers build from late February and fall back by the second week of May. Peak: on about 32% of Nebraska checklists.

  1. Jancommon
  2. Febpeak season
  3. Marpeak season
  4. Aprpeak season
  5. Maypeak season
  6. Juncommon
  7. Julcommon
  8. Augcommon
  9. Sepcommon
  10. Octcommon
  11. Novpeak season
  12. Decpeak season

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

0%10%20%30%40%Jan 1-7: 22% of 4210 checklistsJan 8-14: 18% of 2891 checklistsJan 15-21: 14% of 2685 checklistsJan 22-31: 13% of 3834 checklistsFeb 1-7: 16% of 2803 checklistsFeb 8-14: 14% of 3134 checklistsFeb 15-21: 17% of 4508 checklistsFeb 22-28: 25% of 3238 checklistsMar 1-7: 33% of 3862 checklistsMar 8-14: 33% of 4894 checklistsMar 15-21: 31% of 5862 checklistsMar 22-31: 31% of 8598 checklistsApr 1-7: 32% of 5530 checklistsApr 8-14: 32% of 5528 checklistsApr 15-21: 33% of 6091 checklistsApr 22-30: 30% of 8661 checklistsMay 1-7: 25% of 9842 checklistsMay 8-14: 22% of 10044 checklistsMay 15-21: 22% of 8863 checklistsMay 22-31: 20% of 10207 checklistsJun 1-7: 16% of 4922 checklistsJun 8-14: 17% of 4054 checklistsJun 15-21: 14% of 3680 checklistsJun 22-30: 14% of 4349 checklistsJul 1-7: 12% of 3277 checklistsJul 8-14: 12% of 2803 checklistsJul 15-21: 12% of 2842 checklistsJul 22-31: 14% of 3920 checklistsAug 1-7: 14% of 2981 checklistsAug 8-14: 14% of 2819 checklistsAug 15-21: 14% of 3179 checklistsAug 22-31: 13% of 4599 checklistsSep 1-7: 13% of 3958 checklistsSep 8-14: 13% of 3460 checklistsSep 15-21: 13% of 3435 checklistsSep 22-30: 15% of 4975 checklistsOct 1-7: 16% of 3611 checklistsOct 8-14: 18% of 3605 checklistsOct 15-21: 19% of 3474 checklistsOct 22-31: 25% of 4352 checklistsNov 1-7: 27% of 3119 checklistsNov 8-14: 31% of 2887 checklistsNov 15-21: 28% of 2568 checklistsNov 22-30: 29% of 3506 checklistsDec 1-7: 26% of 2453 checklistsDec 8-14: 24% of 2756 checklistsDec 15-21: 21% of 3760 checklistsDec 22-31: 22% of 3746 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 Nebraska 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 Nebraska

Best counties

Share of checklists at the peak
  1. Arthur CountyBest late April · 12 checklists that week, 207 in all71%
  2. Harlan CountyBest mid November · 20 checklists that week, 1,276 in all69%
  3. Grant CountyBest the second week of October · 11 checklists that week, 388 in all68%
  4. Stanton CountyBest mid March · 20 checklists that week, 835 in all67%
  5. Madison CountyBest early March · 18 checklists that week, 1,920 in all67%
  6. Cedar CountyBest the second week of January · 29 checklists that week, 1,691 in all65%

Best spots

Share of checklists at the peak
  1. Wehrspann Recreation AreaSarpy County, best late October · 26 checklists that week, 716 in all100%
  2. Medelmans LakeMadison County, best late January · 22 checklists that week, 367 in all98%
  3. Walnut Creek Recreation AreaSarpy County, best the second week of November · 25 checklists that week, 1,124 in all97%
  4. Levi Carter ParkDouglas County, best early January · 28 checklists that week, 371 in all96%
  5. Flanagan Lake & Recreation AreaDouglas County, best mid March · 25 checklists that week, 1,089 in all95%
  6. Prairie Queen Recreation AreaSarpy County, best late July · 37 checklists that week, 467 in all95%

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

Best time of day

In Nebraska, the Mallard is most often listed on checklists started between 5 and 7 pm (24% of those checklists).

0%10%20%30%12 am: too few checklists (60) to judge1 am: too few checklists (70) to judge2 am: too few checklists (74) to judge3 am: too few checklists (97) to judge4 am: too few checklists (318) to judge5 am: too few checklists (1382) to judge6 am: 24% of 6945 checklists7 am: 21% of 19066 checklists8 am: 21% of 24661 checklists9 am: 21% of 23438 checklists10 am: 20% of 20424 checklists11 am: 20% of 16727 checklists12 pm: 22% of 14774 checklists1 pm: 22% of 14443 checklists2 pm: 23% of 14830 checklists3 pm: 24% of 14445 checklists4 pm: 24% of 13353 checklists5 pm: 23% of 10506 checklists6 pm: 24% of 9208 checklists7 pm: 20% of 6334 checklists8 pm: too few checklists (2406) to judge9 pm: too few checklists (531) to judge10 pm: too few checklists (201) to judge11 pm: too few checklists (82) 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
January22%18%14%13%
February16%14%17%25%
March33%33%31%31%
April32%32%33%30%
May25%22%22%20%
June16%17%14%14%
July12%12%12%14%
August14%14%14%13%
September13%13%13%15%
October16%18%19%25%
November27%31%28%29%
December26%24%21%22%

Neighboring states

  • Kansas: arrives late October, 16 weeks earlier than Nebraska
  • South Dakota: arrives early March, 1 week later than Nebraska
  • Iowa: arrives late February, in the same week than Nebraska
  • Missouri: year-round, peaks early March

Common questions

When do Mallards arrive in Nebraska?
Mallards are in Nebraska all year, but most are here in spring: numbers build from late February, peak in the second week of April (32% of checklists), and fall back by the second week of May. In the quietest week (the second week of July) they are still on about 12% of checklists.
When do Mallards leave Nebraska?
Mallards never fully leave Nebraska: numbers fall back below half their usual rate by the second week of May, but some are still reported in every week, about 12% of checklists at the low.
When is the best time to see a Mallard in Nebraska?
The Mallard is reported most often in the second week of April, on about 32% of Nebraska checklists.
Where in Nebraska are Mallards seen most often?
By county, Arthur County, Harlan County, and Grant County have the highest peak reporting rates for the Mallard (counties with at least 200 checklists).