WhenToBird

Calidris alba · Scolopacidae

Sanderling: When and Where to See It

Adult Sanderling
Photo: Peter Chen 2.0, CC BY 4.0 via iNaturalist

The Sanderling reaches Rhode Island first, around the second week of July, and Kentucky last, around late 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%1%2%3%Jan 1-7: 1.8% of 1114036 checklistsJan 8-14: 1.9% of 824708 checklistsJan 15-21: 2.0% of 825978 checklistsJan 22-31: 1.8% of 1105853 checklistsFeb 1-7: 1.7% of 779772 checklistsFeb 8-14: 1.4% of 864504 checklistsFeb 15-21: 1.1% of 1127933 checklistsFeb 22-28: 1.4% of 840124 checklistsMar 1-7: 1.2% of 839610 checklistsMar 8-14: 1.1% of 870138 checklistsMar 15-21: 1.0% of 898456 checklistsMar 22-31: 1.0% of 1335637 checklistsApr 1-7: 0.9% of 1030617 checklistsApr 8-14: 1.0% of 1124024 checklistsApr 15-21: 1.1% of 1194575 checklistsApr 22-30: 1.0% of 1675723 checklistsMay 1-7: 0.9% of 1449080 checklistsMay 8-14: 0.9% of 1538353 checklistsMay 15-21: 1.2% of 1219898 checklistsMay 22-31: 1.1% of 1452282 checklistsJun 1-7: 0.6% of 900636 checklistsJun 8-14: 0.3% of 829907 checklistsJun 15-21: 0.2% of 773255 checklistsJun 22-30: 0.2% of 916255 checklistsJul 1-7: 0.1% of 717733 checklistsJul 8-14: 0.3% of 658223 checklistsJul 15-21: 0.9% of 638752 checklistsJul 22-31: 1.8% of 895727 checklistsAug 1-7: 2.1% of 655651 checklistsAug 8-14: 2.2% of 650038 checklistsAug 15-21: 2.5% of 654639 checklistsAug 22-31: 2.6% of 974928 checklistsSep 1-7: 2.7% of 765914 checklistsSep 8-14: 2.6% of 738674 checklistsSep 15-21: 2.2% of 750433 checklistsSep 22-30: 1.9% of 944196 checklistsOct 1-7: 1.6% of 760106 checklistsOct 8-14: 1.6% of 793131 checklistsOct 15-21: 1.8% of 728727 checklistsOct 22-31: 1.8% of 959954 checklistsNov 1-7: 1.8% of 709464 checklistsNov 8-14: 2.0% of 693424 checklistsNov 15-21: 1.8% of 653952 checklistsNov 22-30: 1.9% of 871137 checklistsDec 1-7: 1.7% of 627591 checklistsDec 8-14: 1.7% of 642427 checklistsDec 15-21: 1.5% of 775638 checklistsDec 22-31: 2.1% 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 %
LouisianaSummer visitorJan 1-7Apr 22-30Jun 1-75.2%
South DakotaPasses throughApr 15-21May 15-21Jun 1-71.4%
NebraskaSummer visitorApr 22-30May 8-14Jun 1-71.0%
North DakotaSummer visitorMay 1-7May 22-31Jun 8-142.3%
MinnesotaSummer visitorMay 8-14May 22-31Jun 8-141.2%
Rhode IslandSummer visitorJul 8-14Aug 8-14Jun 1-714%
DelawareSummer visitorJul 8-14Aug 1-7Jun 1-711%
New JerseySummer visitorJul 8-14Aug 8-14Jun 1-78.3%
MassachusettsSummer visitorJul 8-14Aug 22-31Jan 22-317.2%
ConnecticutSummer visitorJul 8-14Aug 15-21Apr 15-214.4%
AlaskaSummer visitorJul 8-14Sep 1-7Oct 8-141.3%
MississippiSummer visitorJul 15-21Sep 8-14Jun 1-77.7%
North CarolinaSummer visitorJul 15-21Aug 8-14Jun 8-145.9%
IllinoisSummer visitorJul 15-21Sep 1-7Oct 8-143.4%
MaineSummer visitorJul 15-21Sep 8-14Nov 22-304.6%
MichiganSummer visitorJul 15-21Sep 1-7Oct 8-143.5%
New YorkSummer visitorJul 15-21Aug 22-31Feb 22-283.6%
TexasSummer visitorJul 15-21Apr 15-21May 22-313.8%
IndianaSummer visitorJul 15-21Aug 22-31Sep 22-302.3%
OhioSummer visitorJul 15-21Sep 1-7Oct 1-72.4%
OregonSummer visitorJul 15-21Sep 8-14Mar 8-141.6%
VirginiaSummer visitorJul 15-21Sep 1-7Mar 1-72.4%
WashingtonSummer visitorJul 15-21Sep 1-7May 8-142.3%
WisconsinSummer visitorJul 15-21Sep 8-14Oct 1-71.4%
IowaSummer visitorJul 22-31Sep 8-14Sep 22-301.5%
ColoradoPasses throughAug 1-7Sep 8-14Oct 22-311.0%
New HampshireSummer visitorAug 8-14Sep 8-14Nov 22-301.5%
VermontPasses throughAug 8-14Sep 8-14Oct 1-72.4%
TennesseePasses throughAug 15-21Sep 1-7Sep 15-211.0%
KentuckyPasses throughAug 22-31Sep 8-14Sep 22-301.0%
FloridaWinter visitorJul 15-21Nov 15-21May 22-318.2%
AlabamaWinter visitorJul 15-21Oct 8-14Jun 1-75.2%
South CarolinaWinter visitorJul 15-21Nov 15-21Jun 1-77.3%
CaliforniaWinter visitorJul 15-21Jan 8-14May 1-73.5%
MarylandWinter visitorJul 15-21Nov 8-14Mar 8-141.5%
GeorgiaWinter visitorJul 22-31Oct 15-21May 22-312.6%
HawaiiWinter visitorAug 8-14Nov 8-14Apr 15-218.5%

Winter visitor in: California

Passes through: South Dakota

Summer visitor in: Louisiana, Nebraska, North Dakota, Minnesota, Texas