469 species · 29 rare visitors · ordered by how often reported
Great KiskadeePitangus sulphuratus
Rufous HorneroFurnarius rufus
Monk ParakeetMyiopsitta monachus
Southern LapwingVanellus chilensis
Rufous-collared SparrowZonotrichia capensis
Eared DoveZenaida auriculata
Picazuro PigeonPatagioenas picazuro
Rufous-bellied ThrushTurdus rufiventris
Southern House WrenTroglodytes musculus
Saffron FinchSicalis flaveola
Chalk-browed MockingbirdMimus saturninus
Eastern Cattle EgretArdea coromanda
Red-crested CardinalParoaria coronata
Shiny CowbirdMolothrus bonariensis
Crested CaracaraCaracara plancus
Creamy-bellied ThrushTurdus amaurochalinus
Neotropic CormorantNannopterum brasilianum
Blue-and-white SwallowPygochelidon cyanoleuca
Mongolian GullLarus mongolicus
Kelp GullLarus dominicanus
Brown-chested MartinProgne tapera
Snowy EgretEgretta thula
House SparrowPasser domesticus
Brown-hooded GullChroicocephalus maculipennis
Tropical KingbirdTyrannus melancholicus
Cattle TyrantMachetornis rixosa
Picui Ground DoveColumbina picui
Spot-winged PigeonPatagioenas maculosa
Green-barred WoodpeckerColaptes melanochloros
Great EgretArdea alba
Turkey VultureCathartes aura
Fork-tailed FlycatcherTyrannus savana
Campo FlickerColaptes campestris
Yellow-billed TealAnas flavirostris
Brazilian TealAmazonetta brasiliensis
Guira CuckooGuira guira
Pampa FinchEmbernagra platensis
Gilded SapphireHylocharis chrysura
Common StarlingSturnus vulgaris
White MonjitaXolmis irupero
Tropical ParulaSetophaga pitiayumi
Hooded SiskinSpinus magellanicus
Giant Wood RailAramides ypecaha
White-rumped SwallowTachycineta leucorrhoa
Roadside HawkRupornis magnirostris
White-crested TyrannuletSerpophaga subcristata
Rock DoveColumba livia
Greyish BaywingAgelaioides badius
American KestrelFalco sparverius
Black-necked StiltHimantopus mexicanus
Southern ScreamerChauna torquata
Brown-and-yellow MarshbirdPseudoleistes virescens
Cocoi HeronArdea cocoi
Glittering-bellied EmeraldChlorostilbon lucidus
Blue-and-yellow TanagerRauenia bonariensis
White-faced IbisPlegadis chihi
White-tipped DoveLeptotila verreauxi
Grey-breasted MartinProgne chalybea
Freckle-breasted ThornbirdPhacellodomus striaticollis
Small-billed ElaeniaElaenia parvirostris
Masked GnatcatcherPolioptila dumicola
Snowy-crowned TernSterna trudeaui
Vermilion FlycatcherPyrocephalus rubinus
Rufous-browed PeppershrikeCyclarhis gujanensis
Bare-faced IbisPhimosus infuscatus
American OystercatcherHaematopus palliatus
Grassland Yellow FinchSicalis luteola
Spotted NothuraNothura maculosa
Grey MonjitaNengetus cinereus
Great GrebePodiceps major
Greater YellowlegsTringa melanoleuca
Plumbeous IbisTheristicus caerulescens
Sayaca TanagerThraupis sayaca
Maguari StorkCiconia maguari
Diademed TanagerStephanophorus diadematus
Lesser YellowlegsTringa flavipes
Silver TealSpatula versicolor
Common MoorhenGallinula chloropus
Common GallinuleGallinula galeata
Black-and-rufous Warbling FinchPoospiza nigrorufa
Wattled JacanaJacana jacana
Firewood-gathererAnumbius annumbi
Whistling HeronSyrigma sibilatrix
Harris's HawkParabuteo unicinctus
Spix's SpinetailSynallaxis spixi
Southern YellowthroatGeothlypis velata
Red-gartered CootFulica armillata
White-tufted GrebeRollandia rolland
Spectacled TyrantHymenops perspicillatus
Narrow-billed WoodcreeperLepidocolaptes angustirostris
Sooty TyrannuletSerpophaga nigricans
Long-winged HarrierCircus buffoni
Stripe-crowned SpinetailCranioleuca pyrrhophia
LimpkinAramus guarauna
Yellow-billed PintailAnas georgica
Coscoroba SwanCoscoroba coscoroba
White-rumped SandpiperCalidris fuscicollis
Wren-like RushbirdPhleocryptes melanops
Rufous-capped AntshrikeThamnophilus ruficapillus
Royal TernThalasseus maximus
Golden-crowned WarblerBasileuterus culicivorus
Epaulet OrioleIcterus cayanensis
Variable OrioleIcterus pyrrhopterus
Screaming CowbirdMolothrus rufoaxillaris
Golden-billed SaltatorSaltator aurantiirostris
White-throated HummingbirdLeucochloris albicollis
Bran-colored FlycatcherMyiophobus fasciatus
Yellow-winged BlackbirdAgelasticus thilius
Double-collared SeedeaterSporophila caerulescens
Greater RheaRhea americana
White-spotted WoodpeckerVeniliornis spilogaster
Roseate SpoonbillPlatalea ajaja
American Golden PloverPluvialis dominica
White-rimmed WarblerMyiothlypis leucoblephara
White-faced Whistling DuckDendrocygna viduata
Yellow-billed TernSternula superciliaris
Burrowing OwlAthene cunicularia
White WoodpeckerMelanerpes candidus
Southern Beardless TyrannuletCamptostoma obsoletum
Black-crowned Night HeronNycticorax nycticorax
Snail KiteRostrhamus sociabilis
Plumbeous RailPardirallus sanguinolentus
Siberian PipitAnthus japonicus
Western Cattle EgretArdea ibis
Black SkimmerRynchops niger
Little HeronButorides atricapilla
Striated HeronButorides striata
Pied-billed GrebePodilymbus podiceps
Pantanal SnipeGallinago paraguaiae
Grey-cowled Wood RailAramides cajaneus
Variable AntshrikeThamnophilus caerulescens
Spot-flanked GallinulePorphyriops melanops
Barn SwallowHirundo rustica
Amazon KingfisherChloroceryle amazona
Black-necked SwanCygnus melancoryphus
Grassland SparrowAmmodramus humeralis
White-browed MeadowlarkLeistes superciliaris
Sandwich TernThalasseus sandvicensis
Hepatic TanagerPiranga flava
White-winged CootFulica leucoptera- Black-hooded TanagerStilpnia whitelyi
Green KingfisherChloroceryle americana
Savanna HawkButeogallus meridionalis
Ringed KingfisherMegaceryle torquata
Chestnut-backed TanagerStilpnia preciosa
Southern Rough-winged SwallowStelgidopteryx ruficollis
Long-tailed Reed FinchDonacospiza albifrons
Yellow-browed TyrantSatrapa icterophrys
Green-winged SaltatorSaltator similis
Chestnut-capped BlackbirdChrysomus ruficapillus
Striped CuckooTapera naevia
Red-eyed VireoVireo olivaceus
Chivi VireoVireo chivi
Buff-necked IbisTheristicus caudatus
Streaked FlycatcherMyiodynastes maculatus
Grey-throated Warbling FinchMicrospingus cabanisi
Swainson's FlycatcherMyiarchus swainsoni
Dusky-legged GuanPenelope obscura
Red-winged TinamouRhynchotus rufescens
Sooty-fronted SpinetailSynallaxis frontalis
South American TernSterna hirundinacea
Speckled RailLaterallus notatus
Rufous-sided CrakeLaterallus melanophaius
Glaucous-blue GrosbeakCyanoloxia glaucocaerulea
Rufescent Tiger HeronTigrisoma lineatum
Buff-browed Foliage-gleanerSyndactyla rufosuperciliata
Buff-winged CinclodesCinclodes fuscus
Mottle-cheeked TyrannuletPhylloscartes ventralis
Scimitar-billed WoodcreeperDrymornis bridgesii
Black VultureCoragyps atratus
Wood StorkMycteria americana
Chotoy SpinetailSchoeniophylax phryganophilus
European GoldfinchCarduelis carduelis
Chiloe WigeonMareca sibilatrix
Pectoral SandpiperCalidris melanotos
Semipalmated PloverCharadrius semipalmatus
Black-and-white MonjitaHeteroxolmis dominicana
Black-capped Warbling FinchMicrospingus melanoleucus
White-winged BecardPachyramphus polychopterus
Maroon-bellied ParakeetPyrrhura frontalis
Ringed TealCallonetta leucophrys
Long-trained NightjarHydropsalis forcipata
Plush-crested JayCyanocorax chrysops
Scissor-tailed NightjarHydropsalis torquata
Rosy-billed PochardNetta peposaca
Austral NegritoLessonia rufa
Tropical Screech OwlMegascops choliba
Chilean FlamingoPhoenicopterus chilensis
Hudsonian GodwitLimosa haemastica
Scarlet-headed BlackbirdAmblyramphus holosericeus
White-chinned PetrelProcellaria aequinoctialis
White-necked ThrushTurdus albicollis
Lesser Yellow-headed VultureCathartes burrovianus
Mottled PiculetPicumnus nebulosus
White-banded MockingbirdMimus triurus
Black-browed AlbatrossThalassarche melanophris
Large-billed TernPhaetusa simplex
Southern Giant PetrelMacronectes giganteus
Common TernSterna hirundo
Blue-billed Black TyrantKnipolegus cyanirostris
Nacunda NighthawkChordeiles nacunda
Ruddy TurnstoneArenaria interpres
Yellowish PipitAnthus chii
Rufous-chested DotterelZonibyx modestus
Lake DuckOxyura vittata
Grey-headed GullChroicocephalus cirrocephalus
Hellmayr's PipitAnthus hellmayri
Sharp-shinned HawkAccipiter striatus
Straight-billed ReedhaunterLimnoctites rectirostris
Red-fronted CootFulica rufifrons
Dark-billed CuckooCoccyzus melacoryphus
Many-colored Rush TyrantTachuris rubrigastra
Yellow-chevroned ParakeetBrotogeris chiriri
Sharp-tailed StreamcreeperLochmias nematura
White-tailed HawkGeranoaetus albicaudatus
Spotted SandpiperActitis macularius
Tufted Tit-SpinetailLeptasthenura platensis
Red-legged SeriemaCariama cristata
European GreenfinchChloris chloris
Chopi BlackbirdGnorimopsar chopi
Great Horned OwlBubo virginianus
Golden-winged CaciqueCacicus chrysopterus
Greylag GooseAnser anser
Brown CacholotePseudoseisura lophotes
Yellow-rumped MarshbirdPseudoleistes guirahuro
Magellanic PenguinSpheniscus magellanicus
Rusty-collared SeedeaterSporophila collaris
Fulvous-crowned Scrub TyrantEuscarthmus meloryphus
Green-backed BecardPachyramphus viridis
Aplomado FalconFalco femoralis
Euler's FlycatcherLathrotriccus euleri
White-eyed ParakeetPsittacara leucophthalmus
White-barred PiculetPicumnus cirratus
Red ShovelerSpatula platalea
Common Squirrel CuckooPiaya cayana
White-tailed KiteElanus leucurus
Yellow-chinned SpinetailCerthiaxis cinnamomeus
Curve-billed ReedhaunterLimnornis curvirostris
Short-billed PipitAnthus furcatus
Cinereous HarrierCircus cinereus
Olrog's GullLarus atlanticus
Sulphur-bearded ReedhaunterLimnoctites sulphuriferus
Bluish-grey SaltatorSaltator coerulescens
Suiriri FlycatcherSuiriri suiriri
Fulvous Whistling DuckDendrocygna bicolor
Common MinerGeositta cunicularia
Ultramarine GrosbeakCyanoloxia brissonii
Muscovy DuckCairina moschata
White-tipped PlantcutterPhytotoma rutila
Red KnotCalidris canutus
Olivaceous WoodcreeperSittasomus griseicapillus
Correndera PipitAnthus correndera
Peregrine FalconFalco peregrinus
Ruddy Ground DoveColumbina talpacoti
Blue-black GrassquitVolatinia jacarina
Swainson's HawkButeo swainsoni
Chilean SkuaStercorarius chilensis
Fawn-breasted TanagerPipraeidea melanonota
Little Blue HeronEgretta caerulea
Wilson's PhalaropePhalaropus tricolor
Crested Black TyrantKnipolegus lophotes
Large-tailed AntshrikeMackenziaena leachii
Warbling DoraditoPseudocolopteryx flaviventris
Tawny-headed SwallowAlopochelidon fucata
Buff-breasted SandpiperCalidris subruficollis
Blue-tufted StarthroatHeliomaster furcifer
SanderlingCalidris alba
Dark-throated SeedeaterSporophila ruficollis
Red Pileated FinchCoryphospingus cucullatus
Solitary CaciqueCacicus solitarius
Solitary SandpiperTringa solitaria
Greater ThornbirdPhacellodomus ruber
Baird's SandpiperCalidris bairdii
Yellow-billed CardinalParoaria capitata
Upland SandpiperBartramia longicauda
Large ElaeniaElaenia spectabilis
Checkered WoodpeckerVeniliornis mixtus
Black-chested Buzzard-EagleGeranoaetus melanoleucus
Northern Giant PetrelMacronectes halli
Ferruginous Pygmy OwlGlaucidium brasilianum
Little ThornbirdPhacellodomus sibilatrix
Pearly-vented Tody-TyrantHemitriccus margaritaceiventer
Cinnamon TealSpatula cyanoptera
Variegated FlycatcherEmpidonomus varius
Small-headed ElaeniaElaenia sordida
Lark-like BrushrunnerCoryphistera alaudina
Magnificent FrigatebirdFregata magnificens
Olivaceous ElaeniaElaenia mesoleuca
Chilean SwallowTachycineta leucopyga
Short-billed CanasteroAsthenes baeri
Grey-fronted DoveLeptotila rufaxilla
Ochre-faced Tody-FlycatcherPoecilotriccus plumbeiceps
Crowned Slaty FlycatcherEmpidonomus aurantioatrocristatus
Bay-capped Wren-SpinetailSpartonoica maluroides
American Barn OwlTyto furcata
Grey PloverPluvialis squatarola
Yellow-olive FlatbillTolmomyias sulphurescens
MallardAnas platyrhynchos
AnhingaAnhinga anhinga
Masked DuckNomonyx dominicus
Tawny-throated DotterelOreopholus ruficollis
White-fronted WoodpeckerMelanerpes cactorum
Little NightjarSetopagis parvula
Brown TinamouCrypturellus obsoletus
Surucua TrogonTrogon surrucura
South American Painted-snipeNycticryphes semicollaris
Purple GallinulePorphyrio martinica
Snowy AlbatrossDiomedea exulans
Black-headed DuckHeteronetta atricapilla
Common PotooNyctibius griseus
Purple-throated EuphoniaEuphonia chlorotica
Bearded TachuriPolystictus pectoralis
Black-bellied Whistling DuckDendrocygna autumnalis
Straneck's TyrannuletSerpophaga griseicapilla
OspreyPandion haliaetus
American Cliff SwallowPetrochelidon pyrrhonota
Southern Scrub FlycatcherSublegatus modestus
Parasitic JaegerStercorarius parasiticus
Manx ShearwaterPuffinus puffinus
Crane HawkGeranospiza caerulescens
Pale-breasted SpinetailSynallaxis albescens
Least GrebeTachybaptus dominicus
Sharp-billed TreehunterHeliobletus contaminatus
Scalloped WoodcreeperLepidocolaptes falcinellus
Cliff FlycatcherHirundinea ferruginea
Rufous GnateaterConopophaga lineata
Stilt SandpiperCalidris himantopus
Gull-billed TernGelochelidon nilotica
Black JacobinFlorisuga fusca
Dark-faced Ground TyrantMuscisaxicola maclovianus
Black-crowned MonjitaNeoxolmis coronatus
White-cheeked PintailAnas bahamensis
Pinnated BitternBotaurus pinnatus
Smooth-billed AniCrotophaga ani
BananaquitCoereba flaveola
Orange-breasted ThornbirdPhacellodomus ferrugineigula
Orange-eyed ThornbirdPhacellodomus erythrophthalmus
Snowy SheathbillChionis albus
Southern MartinProgne elegans
Eurasian WhimbrelNumenius phaeopus
Grass WrenCistothorus platensis
Brown SkuaStercorarius antarcticus
Great Black HawkButeogallus urubitinga
Short-eared OwlAsio flammeus
Red JunglefowlGallus gallus
Pale-vented PigeonPatagioenas cayennensis
Great ShearwaterArdenna gravis
Ash-colored CuckooCoccycua cinerea
Planalto WoodcreeperDendrocolaptes platyrostris
Long-tufted Screech OwlMegascops sanctaecatarinae
Crested BecardPachyramphus validus
Brown-crested FlycatcherMyiarchus tyrannulus
Lesser Grass FinchEmberizoides ypiranganus
Black-backed Water TyrantFluvicola albiventer
Spotted RailPardirallus maculatus
White-naped XenopsarisXenopsaris albinucha
Atlantic Yellow-nosed AlbatrossThalassarche chlororhynchos
White-crested ElaeniaElaenia albiceps
Swallow-tailed HummingbirdEupetomena macroura
Red-rumped CaciqueCacicus haemorrhous
Pied Water TyrantFluvicola pica
Striped OwlAsio clamator
Wedge-tailed Grass FinchEmberizoides herbicola
Chocolate-vented TyrantNeoxolmis rufiventris
Sooty ShearwaterArdenna grisea
PauraqueNyctidromus albicollis
Ruby-crowned TanagerTachyphonus coronatus
Short-crested FlycatcherMyiarchus ferox
Grey-bellied SpinetailSynallaxis cinerascens
Sand MartinRiparia riparia
Common NighthawkChordeiles minor
Crested DoraditoPseudocolopteryx sclateri
Yellow-bellied ElaeniaElaenia flavogaster
Blackish OystercatcherHaematopus ater
Cream-backed WoodpeckerCampephilus leucopogon
Blacksmith ThrushTurdus subalaris
Greater AniCrotophaga major
Northern House WrenTroglodytes aedon
Ash-throated CrakeMustelirallus albicollis
Least SeedsnipeThinocorus rumicivorus
Mourning Sierra FinchRhopospina fruticeti
Fuscous FlycatcherCnemotriccus fuscatus
Band-winged NightjarSystellura longirostris
Black TernChlidonias niger
Wilson's Storm PetrelOceanites oceanicus
Black-throated MangoAnthracothorax nigricollis
Magellanic SnipeGallinago magellanica
Greenish ElaeniaMyiopagis viridicata
Imperial ShagLeucocarbo atriceps- Sierra Madre CrowCorvus sierramadrensis
House CrowCorvus splendens
Pale-breasted ThrushTurdus leucomelas
Dot-winged CrakeLaterallus spiloptera
Sharp-billed CanasteroAsthenes pyrrholeuca
Helmeted GuineafowlNumida meleagris
Turquoise-fronted AmazonAmazona aestiva
Southern FulmarFulmarus glacialoides
Semipalmated SandpiperCalidris pusilla
Plumbeous KiteIctinia plumbea
Rufous CasiornisCasiornis rufus
Masked YellowthroatGeothlypis aequinoctialis
Rufous-rumped SeedeaterSporophila hypochroma- Eastern KingbirdTyrannus tyrannus
Golden-rumped EuphoniaChlorophonia cyanocephala
White WagtailMotacilla alba
Boat-billed FlycatcherMegarynchus pitangua
Atlantic PetrelPterodroma incerta
Yellow-legged ThrushTurdus flavipes
Franklin's GullLeucophaeus pipixcan
Toco ToucanRamphastos toco
Wild TurkeyMeleagris gallopavo
BudgerigarMelopsittacus undulatus
Ochre-breasted PipitAnthus nattereri
Chaco ChachalacaOrtalis canicollis
Black-backed TanagerStilpnia peruviana
Yellow-browed WoodpeckerPiculus aurulentus
Slender-billed PrionPachyptila belcheri
Magellanic PloverPluvianellus socialis
Common WaxbillEstrilda astrild
Green-backed FirecrownSephanoides sephaniodes
Horned ScreamerAnhima cornuta
Mississippi KiteIctinia mississippiensis
Streamer-tailed TyrantGubernetes yetapa
Least SandpiperCalidris minutilla
Nanday ParakeetAratinga nenday
Greenish TyrannuletPhyllomyias virescens
Buff-fronted OwlAegolius harrisii
Scopoli's ShearwaterCalonectris diomedea
Cory's ShearwaterCalonectris borealis
Tawny-bellied SeedeaterSporophila hypoxantha
Spectacled PetrelProcellaria conspicillata
Silvery GrebePodiceps occipitalis
Swallow-tailed KiteElanoides forficatus
Yellow-billed Tit-TyrantAnairetes flavirostris
Soft-plumaged PetrelPterodroma mollis
Antarctic PrionPachyptila desolata
Pomarine JaegerStercorarius pomarinus
Masked Water TyrantFluvicola nengeta
Antarctic TernSterna vittata
Yellow-breasted CrakeLaterallus flaviventer
Lesser Shrike-TyrantAgriornis murinus
Hooded TanagerNemosia pileata
Pintado PetrelDaption capense
Rufous-headed TanagerHemithraupis ruficapilla
Pearly-bellied SeedeaterSporophila pileata
Black-collared HawkBusarellus nigricollis
Yellow-billed CuckooCoccyzus americanus
Shy AlbatrossThalassarche cauta
Yellow-collared LovebirdAgapornis personatus
Chestnut SeedeaterSporophila cinnamomea
Slaty-breasted Wood RailAramides saracura
Sharp-tailed Grass TyrantCulicivora caudacuta
Saffron-cowled BlackbirdXanthopsar flavus
Short-billed DowitcherLimnodromus griseus
Mitred ParakeetPsittacara mitratus
Burrowing ParrotCyanoliseus patagonus
Unicolored BlackbirdAgelasticus cyanopus
Southern Royal AlbatrossDiomedea epomophora
Northern Royal AlbatrossDiomedea sanfordi
Cinnamon Warbling FinchPoospiza ornata
Marsh SeedeaterSporophila palustris
Indian PeafowlPavo cristatus
White-collared SwiftStreptoprocne zonaris
Long-tailed JaegerStercorarius longicaudus
Swallow TanagerTersina viridis
JabiruJabiru mycteria
South Polar SkuaStercorarius maccormicki
Black-bellied Storm PetrelFregetta tropica
Hudsonian WhimbrelNumenius hudsonicus
Rare visitors
Recorded here, though only as vagrants or rarities.
Swainson's ThrushCatharus ustulatus
WilletTringa semipalmata
Arctic TernSterna paradisaea
Red-ruffed FruitcrowPyroderus scutatus
Least TernSternula antillarum
Elegant TernThalasseus elegans
Sepia-capped FlycatcherLeptopogon amaurocephalus
CockatielNymphicus hollandicus
White-bellied SeedeaterSporophila leucoptera
Western Rockhopper PenguinEudyptes chrysocome
Azure GallinulePorphyrio flavirostris
White-bellied Storm PetrelFregetta grallaria
Cape Verde ShearwaterCalonectris edwardsii
Cocos BoobySula brewsteri
Crested OropendolaPsarocolius decumanus
Scaled DoveColumbina squammata
White-winged TernChlidonias leucopterus
Atlantic CanarySerinus canaria
Chestnut-vented ConebillConirostrum speciosum
Pearl KiteGampsonyx swainsonii
Many-colored Chaco FinchSaltatricula multicolor
Comb DuckSarkidiornis sylvicola
Andean FlamingoPhoenicoparrus andinus
Blue PetrelHalobaena caerulea
Tristan AlbatrossDiomedea dabbenena
Subantarctic ShearwaterPuffinus elegans
Mangrove HummingbirdChrysuronia boucardi
Ascension FrigatebirdFregata aquila
MacGillivray's PrionPachyptila macgillivrayi