WhenToBird

Corthylio calendula · Regulidae

Ruby-crowned Kinglet: When and Where to See It

Adult male Ruby-crowned Kinglet
Photo: Jonathan Eisen, CC BY 4.0 via iNaturalist

The Ruby-crowned Kinglet reaches Nevada first, around the second week of August, and Florida last, around early October.

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%10%20%30%Jan 1-7: 12% of 1114036 checklistsJan 8-14: 12% of 824708 checklistsJan 15-21: 12% of 825978 checklistsJan 22-31: 12% of 1105853 checklistsFeb 1-7: 11% of 779772 checklistsFeb 8-14: 10% of 864504 checklistsFeb 15-21: 8.9% of 1127933 checklistsFeb 22-28: 9.7% of 840124 checklistsMar 1-7: 9.3% of 839610 checklistsMar 8-14: 9.2% of 870138 checklistsMar 15-21: 9.8% of 898456 checklistsMar 22-31: 10% of 1335637 checklistsApr 1-7: 10% of 1030617 checklistsApr 8-14: 13% of 1124024 checklistsApr 15-21: 16% of 1194575 checklistsApr 22-30: 15% of 1675723 checklistsMay 1-7: 12% of 1449080 checklistsMay 8-14: 6.6% of 1538353 checklistsMay 15-21: 2.6% of 1219898 checklistsMay 22-31: 1.5% of 1452282 checklistsJun 1-7: 1.5% of 900636 checklistsJun 8-14: 1.6% of 829907 checklistsJun 15-21: 1.7% of 773255 checklistsJun 22-30: 1.5% of 916255 checklistsJul 1-7: 1.2% of 717733 checklistsJul 8-14: 1.0% of 658223 checklistsJul 15-21: 0.7% of 638752 checklistsJul 22-31: 0.5% of 895727 checklistsAug 1-7: 0.4% of 655651 checklistsAug 8-14: 0.4% of 650038 checklistsAug 15-21: 0.4% of 654639 checklistsAug 22-31: 0.5% of 974928 checklistsSep 1-7: 0.9% of 765914 checklistsSep 8-14: 1.6% of 738674 checklistsSep 15-21: 3.6% of 750433 checklistsSep 22-30: 8.7% of 944196 checklistsOct 1-7: 15% of 760106 checklistsOct 8-14: 19% of 793131 checklistsOct 15-21: 21% of 728727 checklistsOct 22-31: 20% of 959954 checklistsNov 1-7: 17% of 709464 checklistsNov 8-14: 15% of 693424 checklistsNov 15-21: 15% of 653952 checklistsNov 22-30: 15% of 871137 checklistsDec 1-7: 15% of 627591 checklistsDec 8-14: 15% of 642427 checklistsDec 15-21: 15% of 775638 checklistsDec 22-31: 15% 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 %
West VirginiaSummer visitorMar 8-14Apr 15-21May 8-1416%
IndianaSummer visitorMar 15-21Apr 15-21May 15-2118%
AlaskaSummer visitorMar 22-31May 8-14Sep 22-3027%
IllinoisSummer visitorMar 22-31Apr 22-30May 22-3127%
MinnesotaSummer visitorMar 22-31Apr 22-30Jun 1-723%
OhioSummer visitorMar 22-31Apr 22-30May 22-3124%
WisconsinSummer visitorMar 22-31Apr 22-30May 22-3124%
VermontSummer visitorApr 1-7Apr 22-30Jun 22-3026%
New HampshireSummer visitorApr 1-7Apr 22-30Jul 1-722%
MassachusettsSummer visitorApr 1-7Apr 22-30May 15-2118%
MaineSummer visitorApr 1-7Apr 22-30Jul 1-719%
MichiganSummer visitorApr 1-7Apr 22-30May 22-3120%
MontanaSummer visitorApr 8-14Sep 22-30Oct 15-2118%
WyomingSummer visitorApr 8-14Jun 15-21Oct 15-2120%
North DakotaSummer visitorAug 22-31Sep 22-30Oct 15-2120%
IdahoAll year, most in fallSep 15-21Oct 1-7Nov 1-723%
MissouriSummer visitorSep 15-21Apr 15-21May 15-2119%
KentuckySummer visitorSep 15-21Apr 15-21May 8-1414%
LouisianaWinter visitorOct 1-7Nov 22-30Apr 8-1443%
GeorgiaWinter visitorOct 1-7Dec 8-14Apr 15-2138%
South CarolinaWinter visitorOct 1-7Nov 22-30Apr 8-1439%
MississippiWinter visitorOct 1-7Dec 8-14Apr 8-1424%
FloridaWinter visitorOct 1-7Nov 22-30Apr 1-715%
ColoradoWinter visitorApr 1-7Oct 1-7Nov 22-3010%
NevadaWinter visitorAug 8-14Nov 22-30Apr 22-3030%
South DakotaWinter visitorAug 8-14Oct 1-7Oct 22-3112%
IowaWinter visitorAug 22-31Oct 8-14Nov 15-2122%
New MexicoWinter visitorSep 1-7Oct 15-21May 1-722%
NebraskaWinter visitorSep 1-7Oct 8-14Dec 22-3115%
MarylandWinter visitorSep 8-14Oct 15-21May 1-734%
New JerseyWinter visitorSep 8-14Oct 15-21May 8-1431%
DelawareWinter visitorSep 8-14Oct 15-21May 1-728%
New YorkWinter visitorSep 8-14Oct 8-14Jan 1-729%
ConnecticutWinter visitorSep 8-14Oct 15-21Jan 22-3125%
OregonWinter visitorSep 8-14Dec 1-7Apr 22-3025%
PennsylvaniaWinter visitorSep 8-14Oct 15-21May 15-2126%
WashingtonWinter visitorSep 8-14Nov 15-21Apr 22-3021%
KansasWinter visitorSep 8-14Oct 8-14May 8-1417%
CaliforniaWinter visitorSep 15-21Dec 8-14Apr 1-737%
District of ColumbiaWinter visitorSep 15-21Oct 22-31May 1-736%
ArizonaWinter visitorSep 15-21Dec 8-14Apr 8-1435%
VirginiaWinter visitorSep 15-21Oct 22-31May 1-726%
Rhode IslandWinter visitorSep 15-21Oct 15-21May 8-1417%
OklahomaWinter visitorSep 15-21Dec 8-14Apr 22-3012%
TexasWinter visitorSep 22-30Dec 8-14Apr 1-734%
North CarolinaWinter visitorSep 22-30Nov 1-7Apr 15-2131%
AlabamaWinter visitorSep 22-30Nov 15-21Apr 8-1429%
TennesseeWinter visitorSep 22-30Nov 1-7Apr 22-3020%
UtahAll year, most in fallSep 22-30Oct 15-21Dec 22-3118%
ArkansasWinter visitorSep 22-30Oct 22-31Apr 15-2117%

Winter visitor in: Colorado

Summer visitor in: West Virginia, Indiana, Alaska, Illinois, Minnesota, Ohio, Wisconsin, Vermont, New Hampshire, Massachusetts, Maine, Michigan, Wyoming, Missouri, Kentucky, Montana