WhenToBird

Parkesia noveboracensis · Parulidae

Northern Waterthrush: When and Where to See It

Adult Northern Waterthrush
Photo: Luis G Restrepo, CC BY 4.0 via iNaturalist

The Northern Waterthrush reaches Georgia first, around the second week of 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%2%4%6%Jan 1-7: 0.1% of 1114036 checklistsJan 8-14: 0.1% of 824708 checklistsJan 15-21: 0.1% of 825978 checklistsJan 22-31: 0.1% of 1105853 checklistsFeb 1-7: 0.1% of 779772 checklistsFeb 8-14: 0.1% of 864504 checklistsFeb 15-21: 0.1% of 1127933 checklistsFeb 22-28: 0.1% of 840124 checklistsMar 1-7: 0.1% of 839610 checklistsMar 8-14: 0.1% of 870138 checklistsMar 15-21: 0.1% of 898456 checklistsMar 22-31: 0.1% of 1335637 checklistsApr 1-7: 0.1% of 1030617 checklistsApr 8-14: 0.3% of 1124024 checklistsApr 15-21: 1.1% of 1194575 checklistsApr 22-30: 2.9% of 1675723 checklistsMay 1-7: 5.3% of 1449080 checklistsMay 8-14: 5.3% of 1538353 checklistsMay 15-21: 4.2% of 1219898 checklistsMay 22-31: 1.5% of 1452282 checklistsJun 1-7: 0.8% of 900636 checklistsJun 8-14: 0.7% of 829907 checklistsJun 15-21: 0.7% of 773255 checklistsJun 22-30: 0.5% of 916255 checklistsJul 1-7: 0.3% of 717733 checklistsJul 8-14: 0.3% of 658223 checklistsJul 15-21: 0.2% of 638752 checklistsJul 22-31: 0.3% of 895727 checklistsAug 1-7: 0.5% of 655651 checklistsAug 8-14: 0.7% of 650038 checklistsAug 15-21: 1.0% of 654639 checklistsAug 22-31: 1.6% of 974928 checklistsSep 1-7: 2.1% of 765914 checklistsSep 8-14: 2.3% of 738674 checklistsSep 15-21: 2.1% of 750433 checklistsSep 22-30: 1.6% of 944196 checklistsOct 1-7: 1.1% of 760106 checklistsOct 8-14: 0.7% of 793131 checklistsOct 15-21: 0.4% of 728727 checklistsOct 22-31: 0.2% of 959954 checklistsNov 1-7: 0.1% of 709464 checklistsNov 8-14: 0.1% of 693424 checklistsNov 15-21: 0.1% of 653952 checklistsNov 22-30: 0.1% of 871137 checklistsDec 1-7: 0.1% of 627591 checklistsDec 8-14: 0.1% of 642427 checklistsDec 15-21: 0.1% of 775638 checklistsDec 22-31: 0.1% 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 %
GeorgiaSummer visitorMar 8-14Apr 22-30May 22-314.1%
TexasPasses throughMar 15-21Apr 22-30May 22-316.5%
AlabamaSummer visitorApr 1-7Apr 22-30May 8-143.8%
KentuckyPasses throughApr 8-14May 1-7May 22-313.4%
IllinoisPasses throughApr 15-21May 8-14May 22-3114%
WisconsinPasses throughApr 15-21May 8-14Jun 22-3011%
ConnecticutPasses throughApr 15-21May 8-14May 22-317.9%
IowaPasses throughApr 15-21May 8-14May 22-317.6%
IndianaPasses throughApr 15-21May 1-7May 15-218.5%
New YorkSummer visitorApr 15-21May 8-14Jun 1-79.2%
District of ColumbiaPasses throughApr 15-21May 1-7May 22-317.4%
MassachusettsPasses throughApr 15-21May 8-14May 22-317.3%
MarylandPasses throughApr 15-21May 8-14Jun 1-76.4%
MichiganPasses throughApr 15-21May 8-14Jul 1-75.3%
MissouriPasses throughApr 15-21May 1-7May 8-145.9%
New JerseySummer visitorApr 15-21May 8-14May 22-316.8%
OhioPasses throughApr 15-21May 8-14May 15-216.1%
PennsylvaniaPasses throughApr 15-21May 8-14May 22-315.1%
Rhode IslandPasses throughApr 15-21May 8-14Jun 8-146.6%
ArkansasPasses throughApr 15-21May 1-7May 8-143.5%
DelawarePasses throughApr 15-21May 8-14May 22-314.8%
North CarolinaSummer visitorApr 15-21May 1-7May 15-213.5%
TennesseeSummer visitorApr 15-21May 1-7May 15-214.1%
VirginiaPasses throughApr 15-21May 8-14May 22-314.0%
OklahomaPasses throughApr 15-21May 1-7May 22-311.3%
West VirginiaSummer visitorApr 15-21May 8-14Jul 1-72.3%
MinnesotaPasses throughApr 22-30May 8-14May 22-319.5%
North DakotaPasses throughApr 22-30May 8-14Jun 8-148.5%
MaineSummer visitorApr 22-30May 8-14Sep 22-305.5%
New HampshirePasses throughApr 22-30May 15-21Jun 15-215.8%
VermontPasses throughApr 22-30May 15-21Jun 22-306.8%
KansasPasses throughApr 22-30May 8-14May 15-212.9%
NebraskaPasses throughApr 22-30May 8-14May 22-313.0%
South DakotaPasses throughApr 22-30May 8-14May 22-314.1%
ColoradoPasses throughApr 22-30May 8-14Jun 1-71.7%
New MexicoPasses throughApr 22-30May 8-14May 22-312.4%
WyomingPasses throughMay 1-7May 15-21Jul 1-71.1%
AlaskaPasses throughMay 8-14Jun 1-7Aug 8-1411%
MontanaSummer visitorMay 8-14Jun 1-7Aug 22-315.7%
South CarolinaSummer visitorJul 22-31Sep 15-21Dec 8-143.8%
LouisianaSummer visitorAug 1-7Sep 15-21Nov 15-216.7%
FloridaSummer visitorAug 8-14Sep 15-21Dec 15-216.6%
ArizonaPasses throughAug 8-14Sep 1-7Oct 8-141.2%
NevadaPasses throughAug 15-21Sep 8-14Oct 8-141.4%
MississippiSummer visitorAug 22-31Sep 15-21Oct 15-212.1%

Passes through: Arizona, Nevada

Summer visitor in: South Carolina, Louisiana, Florida, Mississippi