WhenToBird

Certhia americana · Certhiidae

Brown Creeper: When and Where to See It

Adult Brown Creeper
Photo: Melanie Gaddy, CC0 1.0 via iNaturalist

The Brown Creeper reaches Connecticut first, around late August, and Texas last, around late 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%2%4%6%Jan 1-7: 3.7% of 1114036 checklistsJan 8-14: 3.5% of 824708 checklistsJan 15-21: 3.4% of 825978 checklistsJan 22-31: 3.5% of 1105853 checklistsFeb 1-7: 3.4% of 779772 checklistsFeb 8-14: 3.2% of 864504 checklistsFeb 15-21: 3.0% of 1127933 checklistsFeb 22-28: 3.3% of 840124 checklistsMar 1-7: 3.3% of 839610 checklistsMar 8-14: 3.3% of 870138 checklistsMar 15-21: 3.6% of 898456 checklistsMar 22-31: 4.1% of 1335637 checklistsApr 1-7: 5.0% of 1030617 checklistsApr 8-14: 5.1% of 1124024 checklistsApr 15-21: 4.1% of 1194575 checklistsApr 22-30: 3.0% of 1675723 checklistsMay 1-7: 2.3% of 1449080 checklistsMay 8-14: 1.9% of 1538353 checklistsMay 15-21: 1.9% of 1219898 checklistsMay 22-31: 2.0% of 1452282 checklistsJun 1-7: 2.1% of 900636 checklistsJun 8-14: 2.3% of 829907 checklistsJun 15-21: 2.5% of 773255 checklistsJun 22-30: 2.5% of 916255 checklistsJul 1-7: 2.5% of 717733 checklistsJul 8-14: 2.4% of 658223 checklistsJul 15-21: 2.5% of 638752 checklistsJul 22-31: 2.5% of 895727 checklistsAug 1-7: 2.4% of 655651 checklistsAug 8-14: 2.4% of 650038 checklistsAug 15-21: 2.3% of 654639 checklistsAug 22-31: 2.2% of 974928 checklistsSep 1-7: 2.3% of 765914 checklistsSep 8-14: 2.3% of 738674 checklistsSep 15-21: 2.6% of 750433 checklistsSep 22-30: 3.4% of 944196 checklistsOct 1-7: 4.4% of 760106 checklistsOct 8-14: 4.8% of 793131 checklistsOct 15-21: 5.0% of 728727 checklistsOct 22-31: 4.9% of 959954 checklistsNov 1-7: 4.8% of 709464 checklistsNov 8-14: 4.5% of 693424 checklistsNov 15-21: 4.5% of 653952 checklistsNov 22-30: 4.5% of 871137 checklistsDec 1-7: 4.1% of 627591 checklistsDec 8-14: 4.3% of 642427 checklistsDec 15-21: 4.8% of 775638 checklistsDec 22-31: 4.4% 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 %
ArizonaSummer visitorFeb 22-28Aug 8-14Nov 22-305.4%
NevadaSummer visitorMar 1-7Jul 8-14Feb 1-75.1%
New HampshireAll year, most in springMar 15-21Apr 15-21May 15-2112%
VermontAll year, most in springMar 22-31Apr 15-21May 8-1411%
CaliforniaAll year, most in summerMay 22-31Jun 22-30Oct 8-146.1%
MassachusettsSummer visitorAug 22-31Apr 8-14Jun 22-308.5%
MichiganSummer visitorSep 1-7Apr 8-14May 1-79.7%
WisconsinSummer visitorSep 8-14Apr 8-14May 1-710%
MinnesotaSummer visitorSep 8-14Apr 8-14May 1-78.3%
New YorkSummer visitorSep 8-14Apr 8-14Jul 8-148.4%
IllinoisSummer visitorSep 15-21Apr 8-14May 1-714%
IowaSummer visitorSep 15-21Apr 8-14Apr 15-217.1%
OhioSummer visitorSep 22-30Apr 8-14Apr 22-307.9%
North DakotaSummer visitorSep 22-30Apr 15-21May 8-146.0%
District of ColumbiaSummer visitorOct 1-7Apr 1-7Apr 8-147.8%
MissouriSummer visitorOct 1-7Apr 1-7Apr 8-146.8%
KentuckyWinter visitorOct 1-7Nov 8-14Apr 8-149.0%
KansasWinter visitorOct 1-7Dec 15-21Mar 22-316.2%
NebraskaWinter visitorOct 1-7Dec 22-31Apr 8-145.0%
VirginiaWinter visitorOct 1-7Dec 15-21Apr 1-77.2%
ArkansasWinter visitorOct 8-14Dec 15-21Mar 22-317.6%
North CarolinaWinter visitorOct 8-14Dec 8-14Mar 22-315.8%
TennesseeWinter visitorOct 8-14Dec 15-21Mar 22-316.3%
OklahomaWinter visitorOct 15-21Dec 1-7Mar 15-215.6%
AlabamaWinter visitorOct 15-21Nov 15-21Mar 8-143.3%
MississippiWinter visitorOct 15-21Dec 15-21Mar 15-212.7%
South CarolinaWinter visitorOct 15-21Dec 15-21Mar 8-142.6%
GeorgiaWinter visitorOct 22-31Dec 15-21Mar 15-213.0%
LouisianaWinter visitorOct 22-31Dec 1-7Mar 8-141.6%
TexasWinter visitorOct 22-31Dec 15-21Mar 8-141.7%
New MexicoWinter visitorMay 22-31Oct 22-31Apr 1-73.6%
IdahoWinter visitorJun 8-14Dec 1-7Apr 1-75.3%
AlaskaWinter visitorJun 15-21Oct 22-31Apr 8-145.9%
ColoradoWinter visitorJun 15-21Nov 15-21Apr 1-73.9%
MontanaWinter visitorJun 22-30Dec 8-14Mar 22-314.3%
UtahWinter visitorJun 22-30Oct 22-31Apr 1-72.8%
WyomingWinter visitorJul 1-7Nov 15-21Mar 22-314.2%
ConnecticutWinter visitorAug 22-31Oct 15-21Jul 22-315.3%
Rhode IslandWinter visitorSep 8-14Oct 15-21Jul 1-76.3%
PennsylvaniaWinter visitorSep 15-21Nov 15-21Apr 15-216.2%
South DakotaWinter visitorSep 15-21Dec 15-21Apr 22-304.5%
IndianaWinter visitorSep 22-30Nov 1-7Apr 15-218.1%
DelawareWinter visitorSep 22-30Oct 22-31Apr 1-76.5%
MarylandWinter visitorSep 22-30Dec 15-21Apr 1-77.4%
New JerseyWinter visitorSep 22-30Oct 15-21Apr 8-147.5%
West VirginiaWinter visitorSep 22-30Dec 15-21Jun 8-145.5%
WashingtonYear-round–Jul 22-31–12%
OregonYear-round–Aug 22-31–11%
MaineYear-round–Apr 15-21–9.8%

Winter visitor in: New Mexico, Idaho, Alaska, Colorado, Montana, Utah, Wyoming

Passes through: New Hampshire, Vermont

Summer visitor in: Nevada, California, Massachusetts, Michigan, Wisconsin, Minnesota, New York, Illinois, Iowa, Ohio, North Dakota, District of Columbia, Missouri, Arizona