Uncommon Birds in Puerto Rico
Our list for Puerto Rico has 31 uncommon birds recorded regularly there: 8 residents, 1 summer visitor, 16 winter visitors and 6 passage migrants
Most likely in October
GBIF · OctShare of all bird records in Puerto Rico in October, 2019–2024. Each month links to that month’s page.
All 31, most common first
Red JunglefowlGallus gallusResidentUncommon42–75 cmRecorded all year
WilletTringa semipalmataResidentUncommon33–41 cmRecorded all year
MerlinFalco columbariusWinter visitorUncommon24–33 cmRegularly Sep–Apr
Roseate TernSterna dougalliiSummer visitorUncommon33–41 cmRegularly Apr–Sep
Pectoral SandpiperCalidris melanotosPassage migrantUncommon19–23 cmRegularly Aug–Nov
SanderlingCalidris albaWinter visitorUncommon18–20 cmRecorded all year
White-rumped SandpiperCalidris fuscicollisPassage migrantUncommon15–18 cmRegularly Aug–Oct
WhimbrelNumenius phaeopusWinter visitorUncommon40–46 cmRecorded all year
Pied-billed GrebePodilymbus podicepsResidentUncommon31–38 cmRecorded all year
Black-throated Blue WarblerSetophaga caerulescensWinter visitorUncommon11–13 cmRegularly Sep–Apr
Solitary SandpiperTringa solitariaWinter visitorUncommon19–23 cmRegularly Aug–Apr
Ruddy DuckOxyura jamaicensisResidentUncommon35–43 cmRecorded all year
Muscovy DuckCairina moschataResidentUncommon66–84 cmRecorded all year
OvenbirdSeiurus aurocapillaWinter visitorUncommon12–15 cmRegularly Sep–Apr
Common YellowthroatGeothlypis trichasWinter visitorUncommon11–13 cmRegularly Oct–Apr
Common TernSterna hirundoWinter visitorUncommon31–35 cmRegularly Jul–Mar
Black-crowned Night-heronNycticorax nycticoraxResidentUncommon58–65 cmRecorded all year
American Golden-PloverPluvialis dominicaPassage migrantUncommon24–28 cmRegularly Sep–Oct
Western SandpiperCalidris mauriPassage migrantUncommon14–17 cmRegularly Feb–Dec
Peregrine FalconFalco peregrinusWinter visitorUncommon34–58 cmRegularly Sep–Apr
Red KnotCalidris canutusWinter visitorUncommon23–26 cmRegularly Aug–Mar
Cape May WarblerSetophaga tigrinaWinter visitorUncommon12–14 cmRegularly Oct–Apr
Prothonotary WarblerProtonotaria citreaWinter visitorUncommon13–14 cmRegularly Sep–Mar
Data: EOD – eBird Observation Dataset (Cornell Lab of Ornithology), accessed via GBIF.org, CC BY 4.0. Records from 2019–2024, aggregated and filtered by Birdfact. How these lists are made