WhenToBird

Vireo olivaceus · Vireonidae

When Do Red-eyed Vireos Arrive in Nebraska?

Adult Red-eyed Vireo
Photo: Bobby McCabe, CC BY 4.0 via iNaturalist

Red-eyed Vireos reach Nebraska in late April, are common by early May, peak in late May (20% of checklists), and most are gone by the second week of September.

When to look

First arrivalsApr 22-30late April
Common byMay 1-7early May
PeakMay 22-31late May
Most gone bySep 8-14the second week of September

Best: late May. First arrivals late April; most are gone by the second week of September. Peak: on about 20% of Nebraska checklists.

  1. Jannot usually seen
  2. Febnot usually seen
  3. Marnot usually seen
  4. Aprrare
  5. Maypeak season
  6. Junpeak season
  7. Julcommon
  8. Augcommon
  9. Sepcommon
  10. Octrare
  11. Novnot usually seen
  12. Decnot usually seen

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

0%10%20%30%Jan 1-7: 0% of 4210 checklistsJan 8-14: 0% of 2891 checklistsJan 15-21: 0% of 2685 checklistsJan 22-31: 0% of 3834 checklistsFeb 1-7: 0% of 2803 checklistsFeb 8-14: 0% of 3134 checklistsFeb 15-21: 0% of 4508 checklistsFeb 22-28: 0% of 3238 checklistsMar 1-7: 0% of 3862 checklistsMar 8-14: 0% of 4894 checklistsMar 15-21: 0% of 5862 checklistsMar 22-31: 0% of 8598 checklistsApr 1-7: 0% of 5530 checklistsApr 8-14: 0% of 5528 checklistsApr 15-21: 0% of 6091 checklistsApr 22-30: 0.5% of 8661 checklistsMay 1-7: 5.2% of 9842 checklistsMay 8-14: 16% of 10044 checklistsMay 15-21: 21% of 8863 checklistsMay 22-31: 20% of 10207 checklistsJun 1-7: 16% of 4922 checklistsJun 8-14: 14% of 4054 checklistsJun 15-21: 12% of 3680 checklistsJun 22-30: 12% of 4349 checklistsJul 1-7: 13% of 3277 checklistsJul 8-14: 12% of 2803 checklistsJul 15-21: 10% of 2842 checklistsJul 22-31: 8.1% of 3920 checklistsAug 1-7: 6.7% of 2981 checklistsAug 8-14: 7.4% of 2819 checklistsAug 15-21: 8.5% of 3179 checklistsAug 22-31: 14% of 4599 checklistsSep 1-7: 15% of 3958 checklistsSep 8-14: 13% of 3460 checklistsSep 15-21: 5.5% of 3435 checklistsSep 22-30: 1.8% of 4975 checklistsOct 1-7: 0.3% of 3611 checklistsOct 8-14: 0.1% of 3605 checklistsOct 15-21: 0% of 3474 checklistsOct 22-31: 0.1% of 4352 checklistsNov 1-7: 0% of 3119 checklistsNov 8-14: 0% of 2887 checklistsNov 15-21: 0% of 2568 checklistsNov 22-30: 0% of 3506 checklistsDec 1-7: 0% of 2453 checklistsDec 8-14: 0% of 2756 checklistsDec 15-21: 0% of 3760 checklistsDec 22-31: 0% 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.

Embed this map on your site

Where in Nebraska

Best counties

Share of checklists at the peak
  1. Cass CountyBest the second week of July · 44 checklists that week, 4,466 in all46%
  2. Saline CountyBest early July · 19 checklists that week, 724 in all44%
  3. Richardson CountyBest mid May · 77 checklists that week, 788 in all44%
  4. Brown CountyBest the second week of June · 24 checklists that week, 660 in all44%
  5. Knox CountyBest the second week of June · 43 checklists that week, 2,080 in all42%
  6. Nemaha CountyBest late May · 53 checklists that week, 883 in all40%

Best spots

Share of checklists at the peak
  1. Wilderness ParkLancaster County, best mid May · 67 checklists that week, 465 in all95%
  2. Wilderness Park (Beal Slough)Lancaster County, best mid May · 33 checklists that week, 217 in all93%
  3. Cottonmill Lake State Recreation AreaBuffalo County, best late May · 32 checklists that week, 587 in all89%
  4. Wilderness Park (Haines Branch)Lancaster County, best mid May · 69 checklists that week, 309 in all89%
  5. Wilderness Park (south 2)Lancaster County, best mid May · 29 checklists that week, 293 in all81%
  6. Wilderness Park (Cardwell Branch)Lancaster County, best the second week of May · 28 checklists that week, 189 in all81%

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

Best time of day

In Nebraska, the Red-eyed Vireo is most often listed on checklists started between 6 and 8 am (11% of those checklists).

0%5%10%15%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: 14% of 6945 checklists7 am: 9.6% of 19066 checklists8 am: 8.3% of 24661 checklists9 am: 6.7% of 23438 checklists10 am: 5.6% of 20424 checklists11 am: 5.2% of 16727 checklists12 pm: 4.4% of 14774 checklists1 pm: 4.1% of 14443 checklists2 pm: 3.5% of 14830 checklists3 pm: 3.3% of 14445 checklists4 pm: 3.4% of 13353 checklists5 pm: 3.8% of 10506 checklists6 pm: 3.9% of 9208 checklists7 pm: 2.7% 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
January0%0%0%0%
February0%0%0%0%
March0%0%0%0%
April0%0%0%0.5%
May5.2%16%21%20%
June16%14%12%12%
July13%12%10%8.1%
August6.7%7.4%8.5%14%
September15%13%5.5%1.8%
October0.3%0.1%0%0.1%
November0%0%0%0%
December0%0%0%0%

Neighboring states

  • Kansas: arrives mid April, 1 week earlier than Nebraska
  • South Dakota: arrives the second week of May, 2 weeks later than Nebraska
  • Iowa: arrives late April, in the same week than Nebraska
  • Missouri: arrives mid April, 1 week earlier than Nebraska

Common questions

When do Red-eyed Vireos arrive in Nebraska?
Red-eyed Vireos reach Nebraska in late April, are common by early May, peak in late May (20% of checklists), and most are gone by the second week of September.
When do Red-eyed Vireos leave Nebraska?
Most Red-eyed Vireos have left Nebraska by the second week of September, when reports fall below half their usual rate. Stragglers are still reported until late September.
When is the best time to see a Red-eyed Vireo in Nebraska?
The Red-eyed Vireo is reported most often in late May, on about 20% of Nebraska checklists.
Where in Nebraska are Red-eyed Vireos seen most often?
By county, Cass County, Saline County, and Richardson County have the highest peak reporting rates for the Red-eyed Vireo (counties with at least 200 checklists).