WhenToBird

Toxostoma rufum · Mimidae

Brown Thrasher: When and Where to See It

Adult Brown Thrasher
Photo: northerly, CC BY 4.0 via iNaturalist

The Brown Thrasher reaches Kentucky first, around early March, and Montana last, around the second week of May.

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%5%10%Jan 1-7: 1.7% of 1114036 checklistsJan 8-14: 1.8% of 824708 checklistsJan 15-21: 1.9% of 825978 checklistsJan 22-31: 1.8% of 1105853 checklistsFeb 1-7: 1.9% of 779772 checklistsFeb 8-14: 2.0% of 864504 checklistsFeb 15-21: 2.3% of 1127933 checklistsFeb 22-28: 2.5% of 840124 checklistsMar 1-7: 2.7% of 839610 checklistsMar 8-14: 3.0% of 870138 checklistsMar 15-21: 3.3% of 898456 checklistsMar 22-31: 4.6% of 1335637 checklistsApr 1-7: 6.0% of 1030617 checklistsApr 8-14: 7.2% of 1124024 checklistsApr 15-21: 8.7% of 1194575 checklistsApr 22-30: 9.6% of 1675723 checklistsMay 1-7: 9.8% of 1449080 checklistsMay 8-14: 8.7% of 1538353 checklistsMay 15-21: 8.1% of 1219898 checklistsMay 22-31: 7.6% of 1452282 checklistsJun 1-7: 7.2% of 900636 checklistsJun 8-14: 6.9% of 829907 checklistsJun 15-21: 6.7% of 773255 checklistsJun 22-30: 6.4% of 916255 checklistsJul 1-7: 6.0% of 717733 checklistsJul 8-14: 5.1% of 658223 checklistsJul 15-21: 4.4% of 638752 checklistsJul 22-31: 3.6% of 895727 checklistsAug 1-7: 3.0% of 655651 checklistsAug 8-14: 2.7% of 650038 checklistsAug 15-21: 2.6% of 654639 checklistsAug 22-31: 3.1% of 974928 checklistsSep 1-7: 4.0% of 765914 checklistsSep 8-14: 5.1% of 738674 checklistsSep 15-21: 6.3% of 750433 checklistsSep 22-30: 6.9% of 944196 checklistsOct 1-7: 6.6% of 760106 checklistsOct 8-14: 5.6% of 793131 checklistsOct 15-21: 4.5% of 728727 checklistsOct 22-31: 3.1% of 959954 checklistsNov 1-7: 2.2% of 709464 checklistsNov 8-14: 1.8% of 693424 checklistsNov 15-21: 1.7% of 653952 checklistsNov 22-30: 1.7% of 871137 checklistsDec 1-7: 1.7% of 627591 checklistsDec 8-14: 1.7% of 642427 checklistsDec 15-21: 1.8% of 775638 checklistsDec 22-31: 1.8% 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 %
KentuckySummer visitorMar 1-7Apr 8-14Oct 1-721%
District of ColumbiaSummer visitorMar 1-7Sep 22-30Oct 15-2118%
MissouriSummer visitorMar 8-14Apr 22-30Oct 1-719%
IndianaSummer visitorMar 8-14Apr 15-21Oct 1-716%
MarylandSummer visitorMar 8-14Apr 15-21Oct 15-2114%
OklahomaSummer visitorMar 8-14May 1-7Oct 8-1415%
KansasSummer visitorMar 15-21May 1-7Oct 1-727%
TennesseeAll year, most in springMar 15-21May 1-7Jul 15-2126%
West VirginiaSummer visitorMar 15-21Apr 15-21Sep 22-3022%
ArkansasAll year, most in springMar 15-21May 1-7Jul 15-2120%
IllinoisSummer visitorMar 15-21Apr 22-30Oct 1-715%
OhioSummer visitorMar 15-21Apr 15-21Sep 22-3014%
DelawareSummer visitorMar 15-21Apr 8-14Oct 15-2112%
VirginiaAll year, most in springMar 22-31Apr 15-21Jul 15-2118%
PennsylvaniaSummer visitorMar 22-31Apr 22-30Sep 22-3012%
IowaSummer visitorApr 1-7May 1-7Sep 22-3017%
MichiganSummer visitorApr 1-7May 8-14Sep 22-3010%
WisconsinSummer visitorApr 1-7May 1-7Jul 15-2111%
New YorkSummer visitorApr 1-7May 1-7Oct 1-77.3%
NebraskaSummer visitorApr 8-14May 1-7Sep 22-3024%
VermontSummer visitorApr 8-14May 8-14Jul 15-216.1%
MassachusettsSummer visitorApr 8-14May 1-7Jul 22-313.3%
Rhode IslandSummer visitorApr 8-14Jun 1-7Jul 8-143.8%
ConnecticutSummer visitorApr 8-14May 1-7Jul 15-212.4%
South DakotaSummer visitorApr 15-21May 8-14Sep 22-3017%
MinnesotaSummer visitorApr 15-21May 8-14Sep 8-148.9%
MaineSummer visitorApr 15-21May 8-14Jul 22-313.8%
New HampshireSummer visitorApr 15-21May 8-14Jul 15-214.7%
North DakotaSummer visitorApr 22-30May 15-21Sep 15-2114%
ColoradoSummer visitorApr 22-30May 8-14Jul 15-213.5%
WyomingSummer visitorApr 22-30May 8-14Jul 15-212.7%
MontanaSummer visitorMay 8-14May 22-31Jul 22-312.4%
FloridaAll year, most in fallSep 1-7Oct 1-7Oct 22-3116%
North CarolinaAll year, most in fallSep 8-14Oct 1-7Oct 15-2127%
AlabamaAll year, most in fallSep 15-21Oct 1-7Oct 22-3137%
GeorgiaAll year, most in fallSep 15-21Oct 1-7Oct 15-2136%
MississippiAll year, most in fallSep 15-21Oct 1-7Oct 22-3132%
South CarolinaAll year, most in fallSep 15-21Oct 1-7Oct 15-2131%
LouisianaAll year, most in fallSep 15-21Oct 1-7Oct 15-2128%
New JerseyWinter visitorMar 15-21Oct 8-14Nov 1-78.7%
TexasWinter visitorAug 22-31Oct 8-14Jun 22-306.8%
New MexicoWinter visitorSep 22-30Jan 8-14May 8-141.1%

Winter visitor in: New Jersey, Texas, New Mexico

Passes through: Florida, North Carolina, Alabama, Georgia, Mississippi, South Carolina, Louisiana

Summer visitor in: District of Columbia