WhenToBird

Aythya americana · Anatidae

Redhead: When and Where to See It

Adult female Redhead
Photo: sophia_herrmeyer, CC BY 4.0 via iNaturalist

The Redhead reaches South Dakota first, around mid September, and Pennsylvania last, around early January.

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.

Embed this map on your site

0%1%2%3%4%Jan 1-7: 2.4% of 1114036 checklistsJan 8-14: 2.5% of 824708 checklistsJan 15-21: 2.6% of 825978 checklistsJan 22-31: 2.8% of 1105853 checklistsFeb 1-7: 2.8% of 779772 checklistsFeb 8-14: 2.5% of 864504 checklistsFeb 15-21: 2.4% of 1127933 checklistsFeb 22-28: 3.5% of 840124 checklistsMar 1-7: 3.6% of 839610 checklistsMar 8-14: 3.4% of 870138 checklistsMar 15-21: 2.9% of 898456 checklistsMar 22-31: 2.4% of 1335637 checklistsApr 1-7: 2.0% of 1030617 checklistsApr 8-14: 1.7% of 1124024 checklistsApr 15-21: 1.5% of 1194575 checklistsApr 22-30: 1.2% of 1675723 checklistsMay 1-7: 1.0% of 1449080 checklistsMay 8-14: 0.8% of 1538353 checklistsMay 15-21: 0.8% of 1219898 checklistsMay 22-31: 0.9% of 1452282 checklistsJun 1-7: 0.8% of 900636 checklistsJun 8-14: 0.6% of 829907 checklistsJun 15-21: 0.5% of 773255 checklistsJun 22-30: 0.5% of 916255 checklistsJul 1-7: 0.4% of 717733 checklistsJul 8-14: 0.4% of 658223 checklistsJul 15-21: 0.4% of 638752 checklistsJul 22-31: 0.4% of 895727 checklistsAug 1-7: 0.4% of 655651 checklistsAug 8-14: 0.4% of 650038 checklistsAug 15-21: 0.3% of 654639 checklistsAug 22-31: 0.3% of 974928 checklistsSep 1-7: 0.3% of 765914 checklistsSep 8-14: 0.4% of 738674 checklistsSep 15-21: 0.4% of 750433 checklistsSep 22-30: 0.5% of 944196 checklistsOct 1-7: 0.6% of 760106 checklistsOct 8-14: 0.9% of 793131 checklistsOct 15-21: 1.3% of 728727 checklistsOct 22-31: 1.7% of 959954 checklistsNov 1-7: 2.1% of 709464 checklistsNov 8-14: 2.3% of 693424 checklistsNov 15-21: 2.2% of 653952 checklistsNov 22-30: 2.1% of 871137 checklistsDec 1-7: 2.1% of 627591 checklistsDec 8-14: 1.9% of 642427 checklistsDec 15-21: 1.7% 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 %
WyomingSummer visitorFeb 22-28Apr 1-7Dec 1-710%
MinnesotaSummer visitorFeb 22-28Apr 8-14Jun 15-218.2%
MontanaSummer visitorFeb 22-28Apr 15-21Nov 22-308.5%
North DakotaSummer visitorMar 1-7Apr 15-21Nov 15-2116%
AlaskaSummer visitorMar 22-31May 8-14Jun 22-301.9%
OregonSummer visitorAug 8-14May 22-31Jun 22-302.9%
IdahoSummer visitorSep 1-7Apr 22-30Aug 1-74.9%
WashingtonSummer visitorOct 8-14May 15-21Jul 1-71.9%
OklahomaWinter visitorOct 1-7Nov 8-14Apr 1-76.8%
New MexicoWinter visitorOct 1-7Nov 15-21Apr 15-213.9%
IllinoisWinter visitorOct 8-14Mar 1-7Apr 1-77.8%
KansasWinter visitorOct 8-14Nov 8-14Apr 8-146.5%
TexasWinter visitorOct 8-14Nov 15-21Mar 15-214.6%
CaliforniaWinter visitorOct 8-14Jan 1-7Jun 22-302.1%
IndianaWinter visitorOct 15-21Mar 1-7Apr 1-78.3%
MissouriWinter visitorOct 15-21Nov 8-14Mar 22-313.3%
OhioWinter visitorOct 22-31Mar 1-7Mar 22-3111%
MississippiWinter visitorOct 22-31Nov 15-21Mar 8-143.8%
ArkansasWinter visitorOct 22-31Nov 8-14Mar 1-72.1%
LouisianaWinter visitorOct 22-31Nov 22-30Mar 1-71.9%
AlabamaWinter visitorNov 1-7Jan 22-31Mar 1-72.6%
New YorkWinter visitorNov 1-7Mar 1-7Apr 1-74.8%
Rhode IslandWinter visitorNov 1-7Jan 15-21Mar 15-212.6%
TennesseeWinter visitorNov 1-7Jan 22-31Mar 15-213.4%
FloridaWinter visitorNov 8-14Jan 8-14Feb 22-281.8%
GeorgiaWinter visitorNov 8-14Jan 22-31Mar 8-142.2%
KentuckyWinter visitorNov 15-21Jan 22-31Mar 15-214.7%
MarylandWinter visitorNov 15-21Jan 22-31Mar 8-144.1%
North CarolinaWinter visitorNov 15-21Jan 22-31Mar 1-72.5%
New JerseyWinter visitorNov 15-21Jan 22-31Mar 15-212.0%
West VirginiaWinter visitorNov 22-30Feb 22-28Mar 8-143.7%
District of ColumbiaWinter visitorNov 22-30Jan 15-21Feb 15-212.2%
South CarolinaWinter visitorNov 22-30Jan 15-21Mar 8-142.2%
VirginiaWinter visitorDec 8-14Jan 22-31Mar 8-143.3%
NevadaAll year, most in springJan 1-7Mar 15-21May 1-712%
PennsylvaniaWinter visitorJan 1-7Mar 1-7Mar 22-313.7%
IowaWinter visitorJan 22-31Mar 8-14Apr 15-219.9%
ColoradoWinter visitorJul 15-21Mar 8-14May 15-2110%
ArizonaWinter visitorAug 22-31Jan 8-14May 15-214.1%
South DakotaWinter visitorSep 15-21Mar 22-31Jun 22-3014%
MichiganWinter visitorSep 15-21Mar 8-14Apr 15-219.8%
NebraskaWinter visitorSep 22-30Mar 8-14Apr 22-3012%
UtahWinter visitorSep 22-30Mar 22-31Jun 1-77.6%
WisconsinWinter visitorSep 22-30Mar 15-21May 8-148.9%

Winter visitor in: Oklahoma, New Mexico, Kansas, Texas, Missouri, Mississippi, Arkansas, Louisiana, Iowa, Colorado, Arizona

Summer visitor in: Oregon, Wyoming, Minnesota, Montana, North Dakota, Alaska, Idaho