WhenToBird

Vireo altiloquus · Vireonidae

When Do Black-whiskered Vireos Arrive in Florida?

Adult Black-whiskered Vireo
Photo: Jay Brasher, CC BY 4.0 via iNaturalist

Black-whiskered Vireos arrive in Florida in the second week of April, peak in late April (1.5% of checklists), and most are gone by mid July.

When to look

First arrivalsApr 8-14the second week of April
Common byApr 8-14the second week of April
PeakApr 22-30late April
Most gone byJul 15-21mid July

Best: late April. First arrivals the second week of April; most are gone by mid July. Peak: on about 1.5% of Florida checklists.

  1. Jannot usually seen
  2. Febnot usually seen
  3. Marrare
  4. Aprpeak season
  5. Maypeak season
  6. Juncommon
  7. Juluncommon
  8. Auguncommon
  9. Sepuncommon
  10. Octnot usually seen
  11. Novnot usually seen
  12. Decnot usually seen

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

0%0.5%1%1.5%2%Jan 1-7: 0% of 74446 checklistsJan 8-14: 0% of 60074 checklistsJan 15-21: 0% of 62945 checklistsJan 22-31: 0% of 84954 checklistsFeb 1-7: 0% of 59204 checklistsFeb 8-14: 0% of 63259 checklistsFeb 15-21: 0% of 77150 checklistsFeb 22-28: 0.1% of 62850 checklistsMar 1-7: 0.1% of 58560 checklistsMar 8-14: 0.1% of 57756 checklistsMar 15-21: 0.1% of 54898 checklistsMar 22-31: 0.1% of 76702 checklistsApr 1-7: 0.2% of 55096 checklistsApr 8-14: 0.5% of 55892 checklistsApr 15-21: 1.1% of 59358 checklistsApr 22-30: 1.8% of 73124 checklistsMay 1-7: 1.5% of 47915 checklistsMay 8-14: 0.9% of 44114 checklistsMay 15-21: 0.7% of 31858 checklistsMay 22-31: 0.7% of 40723 checklistsJun 1-7: 0.7% of 31668 checklistsJun 8-14: 0.7% of 27802 checklistsJun 15-21: 0.5% of 26698 checklistsJun 22-30: 0.6% of 32346 checklistsJul 1-7: 0.5% of 23826 checklistsJul 8-14: 0.5% of 23071 checklistsJul 15-21: 0.4% of 22903 checklistsJul 22-31: 0.3% of 32952 checklistsAug 1-7: 0.2% of 25093 checklistsAug 8-14: 0.2% of 24888 checklistsAug 15-21: 0.3% of 26030 checklistsAug 22-31: 0.3% of 38612 checklistsSep 1-7: 0.2% of 31023 checklistsSep 8-14: 0.2% of 30022 checklistsSep 15-21: 0.2% of 31611 checklistsSep 22-30: 0.1% of 42108 checklistsOct 1-7: 0.1% of 36219 checklistsOct 8-14: 0.1% of 43113 checklistsOct 15-21: 0.1% of 40987 checklistsOct 22-31: 0.1% of 53457 checklistsNov 1-7: 0.1% of 38587 checklistsNov 8-14: 0% of 39208 checklistsNov 15-21: 0% of 39729 checklistsNov 22-30: 0% of 54965 checklistsDec 1-7: 0% of 42070 checklistsDec 8-14: 0% of 43424 checklistsDec 15-21: 0% of 50581 checklistsDec 22-31: 0% of 82405 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 Florida 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 Florida

Best counties

Share of checklists at the peak
  1. Monroe CountyBest the second week of June · 779 checklists that week, 62,908 in all20%
  2. Miami-Dade CountyBest late June · 1633 checklists that week, 118,849 in all3.6%
  3. Collier CountyBest late April · 2777 checklists that week, 84,200 in all2.4%
  4. Palm Beach CountyBest late April · 3820 checklists that week, 118,595 in all2.2%
  5. Broward CountyBest late April · 1932 checklists that week, 57,530 in all2.2%
  6. Indian River CountyBest late April · 1012 checklists that week, 36,013 in all1.7%

Best spots

Share of checklists at the peak
  1. Convoy PointMiami-Dade County, best late June · 43 checklists that week, 785 in all75%
  2. Crocodile LakeMonroe County, best mid June · 22 checklists that week, 592 in all73%
  3. Florida Keys Wildlife and Environmental AreaMonroe County, best late April · 23 checklists that week, 389 in all71%
  4. Florida Keys Wildlife and Environmental Area (Big Torch Key)Monroe County, best early July · 21 checklists that week, 130 in all70%
  5. National Key Deer Refuge (No Name Key)Monroe County, best early May · 22 checklists that week, 373 in all67%
  6. Dagny Johnson Key Largo Hammock Botanical State ParkMonroe County, best late April · 31 checklists that week, 202 in all60%

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

Best time of day

In Florida, the Black-whiskered Vireo is most often listed on checklists started between 9 and 11 am (0.3% of those checklists).

0%0.5%12 am: too few checklists (771) to judge1 am: too few checklists (771) to judge2 am: too few checklists (701) to judge3 am: too few checklists (752) to judge4 am: too few checklists (1378) to judge5 am: too few checklists (9462) to judge6 am: 0.3% of 94591 checklists7 am: 0.3% of 296183 checklists8 am: 0.3% of 319987 checklists9 am: 0.3% of 254830 checklists10 am: 0.4% of 209480 checklists11 am: 0.3% of 163924 checklists12 pm: 0.2% of 133478 checklists1 pm: 0.2% of 125012 checklists2 pm: 0.2% of 125299 checklists3 pm: 0.2% of 131072 checklists4 pm: 0.2% of 134410 checklists5 pm: 0.2% of 113373 checklists6 pm: 0.2% of 69886 checklists7 pm: too few checklists (37509) to judge8 pm: too few checklists (8966) to judge9 pm: too few checklists (2093) to judge10 pm: too few checklists (1485) to judge11 pm: too few checklists (862) 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%0.1%
March0.1%0.1%0.1%0.1%
April0.2%0.5%1.1%1.8%
May1.5%0.9%0.7%0.7%
June0.7%0.7%0.5%0.6%
July0.5%0.5%0.4%0.3%
August0.2%0.2%0.3%0.3%
September0.2%0.2%0.2%0.1%
October0.1%0.1%0.1%0.1%
November0.1%0%0%0%
December0%0%0%0%

Common questions

When do Black-whiskered Vireos arrive in Florida?
Black-whiskered Vireos arrive in Florida in the second week of April, peak in late April (1.5% of checklists), and most are gone by mid July.
When do Black-whiskered Vireos leave Florida?
Most Black-whiskered Vireos have left Florida by mid July, when reports fall below half their usual rate.
When is the best time to see a Black-whiskered Vireo in Florida?
The Black-whiskered Vireo is reported most often in late April, on about 1.5% of Florida checklists.
Where in Florida are Black-whiskered Vireos seen most often?
By county, Monroe County, Miami-Dade County, and Collier County have the highest peak reporting rates for the Black-whiskered Vireo (counties with at least 200 checklists).