Birds to See in Puerto Rico in September
64 bird species on our list for Puerto Rico are recorded regularly in September
Of these, the most often recorded are White-winged Dove, Northern Mockingbird, Great White Egret, Semipalmated Sandpiper and Semipalmated Plover. New this month: Blackpoll Warbler, American Redstart, Merlin and Black-throated Blue Warbler and 12 more.
On the move in September
GBIF · SepArriving
At their peak
Semipalmated SandpiperBusiest month of the year · Jul–May
Semipalmated PloverBusiest month of the year · All year
Lesser YellowlegsBusiest month of the year · All year
Grey PloverBusiest month of the year · All year
Least SandpiperBusiest month of the year · Jul–May
Ruddy TurnstoneBusiest month of the year · All year
Leaving soon
From Puerto Rico’s bird records, 2019–2024: arriving birds are regular this month but not last; leaving birds are regular this month but not next.
Other months
All 64 birds in September
64 birds
White-winged DoveZenaida asiaticaResidentCommon27–30 cmRecorded all year · 3.09% in Sep
Northern MockingbirdMimus polyglottosResidentCommon21–26 cmRecorded all year · 2.45% in Sep
Great White EgretArdea albaResidentCommon80–104 cmRecorded all year · 1.94% in Sep
Semipalmated SandpiperCalidris pusillaWinter visitorCommon15–18 cmRegularly Jul–May · 1.54% in Sep
Semipalmated PloverCharadrius semipalmatusWinter visitorCommon17–19 cmRecorded all year · 1.51% in Sep
Lesser YellowlegsTringa flavipesWinter visitorCommon23–27 cmRecorded all year · 1.25% in Sep
Grey PloverPluvialis squatarolaWinter visitorCommon27–30 cmRecorded all year · 1.19% in Sep
Red-tailed HawkButeo jamaicensisResidentCommon45–65 cmRecorded all year · 1.16% in Sep
Least SandpiperCalidris minutillaWinter visitorCommon13–15 cmRegularly Jul–May · 1.13% in Sep
Rock DoveColumba liviaResidentCommon31–34 cmRecorded all year · 1.08% in Sep
Cattle EgretArdea ibisResidentCommon46–56 cmRecorded all year · 1.03% in Sep
Sandwich TernThalasseus sandvicensisResidentCommon36–41 cmRecorded all year · 1.02% in Sep
Monk ParakeetMyiopsitta monachusResidentCommon29–31 cmRecorded all year · 0.96% in Sep
House SparrowPasser domesticusResidentCommon14–17 cmRecorded all year · 0.92% in Sep
Ruddy TurnstoneArenaria interpresWinter visitorCommon21–24 cmRecorded all year · 0.90% in Sep
Turkey VultureCathartes auraResidentCommon62–81 cmRecorded all year · 0.85% in Sep
Mourning DoveZenaida macrouraResidentCommon23–34 cmRecorded all year · 0.69% in Sep
Greater YellowlegsTringa melanoleucaWinter visitorCommon29–40 cmRecorded all year · 0.69% in Sep
Short-billed DowitcherLimnodromus griseusWinter visitorCommon23–32 cmRegularly Jun–Apr · 0.63% in Sep
Barn SwallowHirundo rusticaWinter visitorCommon17–19 cmRegularly Aug–Jun · 0.60% in Sep
Stilt SandpiperCalidris himantopusWinter visitorCommon18–23 cmRegularly Jul–May · 0.58% in Sep
Eurasian Collared DoveStreptopelia decaoctoResidentCommon30–32 cmRecorded all year · 0.52% in Sep
OspreyPandion haliaetusWinter visitorCommon54–58 cmRecorded all year · 0.51% in Sep
Northern WaterthrushParkesia noveboracensisWinter visitorCommon12–15 cmRegularly Aug–Apr · 0.50% in Sep
WilletTringa semipalmataResidentUncommon33–41 cmRecorded all year · 0.46% in Sep
Glossy IbisPlegadis falcinellusResidentCommon48–66 cmRecorded all year · 0.45% in Sep
Pectoral SandpiperCalidris melanotosPassage migrantUncommon19–23 cmRegularly Aug–Nov · 0.43% in Sep
SanderlingCalidris albaWinter visitorUncommon18–20 cmRecorded all year · 0.41% in Sep
White-rumped SandpiperCalidris fuscicollisPassage migrantUncommon15–18 cmRegularly Aug–Oct · 0.40% in Sep
Scaly-breasted MuniaLonchura punctulataResidentCommon11–12 cmRecorded all year · 0.39% in Sep
WhimbrelNumenius phaeopusWinter visitorUncommon40–46 cmRecorded all year · 0.35% in Sep
Solitary SandpiperTringa solitariaWinter visitorUncommon19–23 cmRegularly Aug–Apr · 0.34% in Sep
Red JunglefowlGallus gallusResidentUncommon42–75 cmRecorded all year · 0.27% in Sep
Common TernSterna hirundoWinter visitorUncommon31–35 cmRegularly Jul–Mar · 0.25% in Sep
Muscovy DuckCairina moschataResidentUncommon66–84 cmRecorded all year · 0.24% in Sep
American Golden-PloverPluvialis dominicaPassage migrantUncommon24–28 cmRegularly Sep–Oct · 0.23% in Sep
Western SandpiperCalidris mauriPassage migrantUncommon14–17 cmRegularly Feb–Dec · 0.22% in Sep
Roseate TernSterna dougalliiSummer visitorUncommon33–41 cmRegularly Apr–Sep · 0.18% in Sep
Red KnotCalidris canutusWinter visitorUncommon23–26 cmRegularly Aug–Mar · 0.18% in Sep
Black-crowned Night-heronNycticorax nycticoraxResidentUncommon58–65 cmRecorded all year · 0.16% in Sep
Pied-billed GrebePodilymbus podicepsResidentUncommon31–38 cmRecorded all year · 0.15% in Sep
American RedstartSetophaga ruticillaWinter visitorCommon11–14 cmRegularly Sep–Apr · 0.11% in Sep
Great Blue HeronArdea herodiasWinter visitorCommon91–137 cmRecorded all year · 0.10% in Sep
Ruddy DuckOxyura jamaicensisResidentUncommon35–43 cmRecorded all year · 0.09% in Sep
Hudsonian GodwitLimosa haemasticaPassage migrantUncommon36–42 cmRegularly Sep–Oct · 0.08% in Sep
Blackpoll WarblerSetophaga striataPassage migrantCommon13–15 cmRegularly Sep–Nov · 0.06% in Sep
Buff-breasted SandpiperCalidris subruficollisPassage migrantUncommon18–20 cmRegularly Sep–Oct · 0.06% in Sep
Black TernChlidonias nigerPassage migrantRare22–26 cmRegularly Sep · 0.05% in Sep
Prothonotary WarblerProtonotaria citreaWinter visitorUncommon13–14 cmRegularly Sep–Mar · 0.05% in Sep
Helmeted GuineafowlNumida meleagrisResidentUncommon53–63 cmRecorded all year · 0.04% in Sep
Gull-billed TernGelochelidon niloticaPassage migrantRare33–42 cmRegularly May–Oct · 0.04% in Sep
OvenbirdSeiurus aurocapillaWinter visitorUncommon12–15 cmRegularly Sep–Apr · 0.03% in Sep
MerlinFalco columbariusWinter visitorUncommon24–33 cmRegularly Sep–Apr · 0.03% in Sep
Wilson's PhalaropePhalaropus tricolorPassage migrantRare22–24 cmRegularly Sep–Feb · 0.03% in Sep
Sand MartinRiparia ripariaWinter visitorRare12–14 cmRegularly Sep–Feb · 0.02% in Sep
BobolinkDolichonyx oryzivorusPassage migrantRare16–20 cmRegularly Sep–Oct · 0.02% in Sep
Upland SandpiperBartramia longicaudaPassage migrantRare28–32 cmRegularly Sep–Oct · 0.02% in Sep
Black-throated Blue WarblerSetophaga caerulescensWinter visitorUncommon11–13 cmRegularly Sep–Apr · 0.02% in Sep
Long-billed DowitcherLimnodromus scolopaceusPassage migrantRare27–30 cmRegularly Aug–Oct · 0.02% in Sep
Peregrine FalconFalco peregrinusWinter visitorUncommon34–58 cmRegularly Sep–Apr · 0.02% in Sep
MallardAnas platyrhynchosResidentRare50–65 cmRecorded all year · 0.01% in Sep
Short-eared OwlAsio flammeusResidentRare34–43 cmRecorded all year · 0.01% in Sep
Broad-winged HawkButeo platypterusResidentUncommon34–44 cmRecorded all year · 0.01% in Sep
Magnolia WarblerSetophaga magnoliaWinter visitorUncommon11–13 cmRegularly Sep–Apr · 0.01% in Sep
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

