WhenToBird

Tringa flavipes · Scolopacidae

Lesser Yellowlegs: When and Where to See It

Adult Lesser Yellowlegs
Photo: John Rosford, CC BY 4.0 via iNaturalist

The Lesser Yellowlegs reaches North Dakota first, around mid June, and Hawaii last, around the second week of August.

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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0%2%4%6%Jan 1-7: 0.4% of 1114036 checklistsJan 8-14: 0.4% of 824708 checklistsJan 15-21: 0.4% of 825978 checklistsJan 22-31: 0.4% of 1105853 checklistsFeb 1-7: 0.4% of 779772 checklistsFeb 8-14: 0.4% of 864504 checklistsFeb 15-21: 0.3% of 1127933 checklistsFeb 22-28: 0.5% of 840124 checklistsMar 1-7: 0.5% of 839610 checklistsMar 8-14: 0.6% of 870138 checklistsMar 15-21: 0.8% of 898456 checklistsMar 22-31: 1.2% of 1335637 checklistsApr 1-7: 1.6% of 1030617 checklistsApr 8-14: 2.3% of 1124024 checklistsApr 15-21: 3.5% of 1194575 checklistsApr 22-30: 4.2% of 1675723 checklistsMay 1-7: 3.8% of 1449080 checklistsMay 8-14: 2.9% of 1538353 checklistsMay 15-21: 1.8% of 1219898 checklistsMay 22-31: 0.6% of 1452282 checklistsJun 1-7: 0.2% of 900636 checklistsJun 8-14: 0.2% of 829907 checklistsJun 15-21: 0.2% of 773255 checklistsJun 22-30: 0.4% of 916255 checklistsJul 1-7: 0.9% of 717733 checklistsJul 8-14: 1.6% of 658223 checklistsJul 15-21: 2.3% of 638752 checklistsJul 22-31: 3.1% of 895727 checklistsAug 1-7: 4.1% of 655651 checklistsAug 8-14: 5.0% of 650038 checklistsAug 15-21: 5.5% of 654639 checklistsAug 22-31: 5.1% of 974928 checklistsSep 1-7: 4.3% of 765914 checklistsSep 8-14: 3.1% of 738674 checklistsSep 15-21: 2.6% of 750433 checklistsSep 22-30: 2.2% of 944196 checklistsOct 1-7: 1.8% of 760106 checklistsOct 8-14: 1.5% of 793131 checklistsOct 15-21: 1.3% of 728727 checklistsOct 22-31: 1.0% of 959954 checklistsNov 1-7: 0.7% of 709464 checklistsNov 8-14: 0.6% of 693424 checklistsNov 15-21: 0.5% of 653952 checklistsNov 22-30: 0.4% of 871137 checklistsDec 1-7: 0.4% of 627591 checklistsDec 8-14: 0.4% of 642427 checklistsDec 15-21: 0.3% of 775638 checklistsDec 22-31: 0.3% of 1132751 checklistsJanFebMarAprMayJunJulAugSepOctNovDec
Share of complete checklists reporting it, by week (4 per month). Grey bars: fewer than 10 checklists, not counted.

Pooled across every state in the data, so it leans toward states with the most birders.

States, in order of first arrivals

StatePatternFirst arrivalsPeakMost gone byPeak %
LouisianaSummer visitorFeb 15-21Apr 15-21May 15-216.6%
DelawareSummer visitorFeb 22-28Jul 22-31Nov 1-718%
AlabamaSummer visitorMar 1-7Apr 22-30May 15-213.4%
MississippiSummer visitorMar 1-7Apr 15-21May 15-213.9%
ArkansasSummer visitorMar 8-14Apr 15-21May 15-215.1%
KentuckySummer visitorMar 8-14Apr 22-30May 22-315.0%
TennesseeSummer visitorMar 8-14Apr 22-30May 15-213.9%
NebraskaSummer visitorMar 15-21Apr 15-21May 15-2115%
KansasSummer visitorMar 15-21Apr 15-21May 15-2112%
IndianaSummer visitorMar 15-21Apr 15-21May 15-217.4%
MissouriSummer visitorMar 15-21Apr 15-21May 15-216.6%
OklahomaSummer visitorMar 15-21Apr 15-21May 15-215.9%
IowaSummer visitorMar 22-31Apr 22-30May 15-2113%
South DakotaSummer visitorMar 22-31Apr 22-30May 15-2114%
MinnesotaSummer visitorApr 1-7Apr 22-30May 22-317.6%
ColoradoSummer visitorApr 1-7Apr 15-21May 8-145.5%
West VirginiaSummer visitorApr 1-7May 1-7May 15-211.7%
AlaskaSummer visitorApr 15-21May 8-14Aug 22-3117%
North DakotaSummer visitorJun 15-21Aug 1-7Sep 22-3013%
Rhode IslandSummer visitorJun 22-30Aug 8-14Sep 8-1411%
IllinoisSummer visitorJul 1-7Aug 8-14Oct 1-710%
OhioSummer visitorJul 1-7Aug 15-21Oct 8-1410%
MassachusettsSummer visitorJul 1-7Aug 15-21Oct 8-147.6%
MichiganSummer visitorJul 1-7Aug 15-21Sep 22-308.2%
New JerseySummer visitorJul 1-7Aug 15-21Oct 22-319.8%
New YorkSummer visitorJul 1-7Aug 15-21Oct 15-216.9%
WisconsinSummer visitorJul 1-7Aug 8-14Sep 15-217.3%
IdahoSummer visitorJul 1-7Aug 15-21Oct 1-73.6%
North CarolinaSummer visitorJul 1-7Aug 22-31Nov 8-143.1%
NevadaSummer visitorJul 1-7Aug 15-21Nov 1-74.2%
UtahSummer visitorJul 1-7Aug 22-31Nov 15-212.5%
MaineSummer visitorJul 8-14Aug 15-21Sep 22-308.2%
TexasSummer visitorJul 8-14Apr 15-21May 15-218.4%
ConnecticutSummer visitorJul 8-14Aug 15-21Oct 15-216.7%
MontanaPasses throughJul 8-14Aug 8-14Sep 8-146.7%
New HampshireSummer visitorJul 8-14Aug 22-31Oct 8-145.0%
FloridaSummer visitorJul 8-14Apr 1-7May 8-143.7%
MarylandSummer visitorJul 8-14Aug 22-31Nov 8-144.9%
South CarolinaSummer visitorJul 8-14Apr 22-30May 22-313.9%
VirginiaSummer visitorJul 8-14Aug 22-31Nov 1-73.6%
WyomingSummer visitorJul 8-14Aug 22-31Oct 1-73.2%
PennsylvaniaSummer visitorJul 15-21Aug 22-31Oct 22-315.4%
ArizonaSummer visitorJul 15-21Aug 22-31Oct 8-143.8%
New MexicoSummer visitorJul 15-21Aug 22-31Oct 8-142.6%
OregonPasses throughJul 15-21Aug 15-21Sep 22-304.5%
WashingtonSummer visitorJul 15-21Aug 15-21Sep 22-303.9%
VermontPasses throughJul 22-31Aug 22-31Sep 15-216.1%
CaliforniaSummer visitorJul 22-31Aug 22-31Sep 22-302.8%
District of ColumbiaSummer visitorAug 1-7Sep 1-7Oct 8-142.5%
HawaiiSummer visitorAug 8-14Sep 8-14Dec 1-71.2%
GeorgiaSummer visitorDec 22-31Apr 22-30May 15-212.5%

Summer visitor in: Louisiana, Alabama, Mississippi, Arkansas, Kentucky, Tennessee, Nebraska, Kansas, Indiana, Missouri, Oklahoma, Iowa, South Dakota, Minnesota, Colorado, West Virginia, Alaska, Texas, Florida, South Carolina, Georgia, Delaware