| Greater
Rhea |
Rhea
americana |
| Spotted
Tinamou |
Nothura
maculosa |
| White-tufted
Grebe |
Podiceps
rolland |
| Pied-billed
Grebe |
Podilymbus
podiceps |
| Great
Grebe |
Podiceps
major |
| Neotropic
Cormorant |
Phalacrocorax
olivaceus |
| Cocoi
(White-necked) |
Heron
Ardea cocoi |
| Whistling
Heron |
Syrigma
sibilatrix |
| Striated
Heron |
Butorides
striatus |
| Great
Egret |
Casmerodius
albus |
| Snowy
Egret |
Egretta
thulav |
| Cattle
Egret |
Bubulcus ibis |
| Black-crowned
Night-Heron |
Nycticorax
nycticorax |
| Wood
Stork |
Mycteria
americana |
| Maguari
Stork |
Ciconia
maguari |
| Bare-faced
Ibis |
Phimosus
infuscatus |
| White-faced
Ibis |
Plegadis
chihi |
| Coscoroba
Swan |
Coscoroba
coscoroba |
| Black-necked
|
Swan
Cygnus melancoryphus |
| Yellow-billed
|
Pintail
Anas georgica |
| Speckled
Teal |
Anas
flavirostris |
| Ringed
Teal |
Callonetta
leucophrys |
| Long-winged
Harrier |
Circus
buffoni |
| Roadside
Hawk |
Buteo
magnirostris |
| S.
Crested Caracara |
Polyborus
plancus |
| Chimango
Caracara |
Milvago
chimango |
| American
Kestrel |
Falco
sparverius |
| Giant
Wood-Rail |
Aramides
ypecaha |
| White-winged
Coot |
Fulica
leucoptera |
| Red-fronted
Coot |
Fulica
rufifrons |
| Spot-flanked
Gallinule |
Porphyriops
melanops |
| Limpkin
|
Aramus
guarauna |
| Wattled
Jacana |
Jacana
jacana |
| White-backed
(Black-necked) Stilt |
Himantopus
melanurus |
| Southern
Lapwing |
Vanellus
chilensis |
| Greater
Yellowlegs(S) |
Tringa
melanoleuca |
| Lesser
Yellowlegs(S) |
Tringa
flavipes |
| South
American Snipe |
Gallinago
paraguaiae |
| Kelp
Gull |
Larus
dominicanus |
| Brown-hooded
Gull |
Chroicocephalus
maculipennis |
| Grey-hooded
Gull |
Chroicocephalus
cirrhocephalus |
| Olrog´s
Gull |
Larus
belcheri |
| Picazuro
Pigeon |
Columba
picazuro |
| Spot-winged
Pigeon |
Columba
maculosa |
| Eared
Dove |
Zenaida
auriculata |
| Picui
Ground-Dove |
Columbina
picui |
| White-
tipped Dove |
Leptotila
verreauxi |
| Monk
Parakeet |
Myiopsitta
monachus |
| Nenday
(Black-hooded) Parakeet |
Nandayus
nenday |
| Guira
Cuco |
Guira
guira |
| Common
Barn Owl |
Tyto
alba |
| Burrowing
Owl |
Athene
cunicularia |
| Striped
Owl |
Asio
clamator |
| White-Thorated
Hummingbird |
Leucochloris
albicollis |
| Glittering-bellied
Emerald |
Chlorostilbon
aureoventris |
| Gilded
Saphire (Bronze-tailed H.) |
Hylocharis
chrysura |
| Amazon
Kingfisher |
Chloroceryle
amazona |
| Campo
Flicker |
Colaptes
campestris |
| Golden-breast.
Woodpecker |
Colaptes
melanolaimus |
| White
Woodpecker |
Melanerpes
candidus |
| Narrow-billed
Woodcreeper |
Lepidocolaptes
angustrirostris |
| Rufous
Hornero |
Furnarius
rufus |
| Tufted
Tit-Spinetail |
Leptasthenura
platensis |
| Freckle-breasted
Thornbird |
Phacellodomus
striaticollis |
| Little
Thornbird |
Phacellodomus
sibilatix |
| Firewood
Gatherer |
Annumbius
anumbi |
| Spectacled
Tyrant |
Hymenops
perspicillatus |
| Cattle
Tyrant |
Machetornis rixosus |
| Yellow-browed
Tyrant |
Satrapa
icterophrys |
| Streaked
Flycatcher |
Myiodynastes
maculatus |
| Great
Kiskadee |
Pitangus
sulphuratus |
| Tropical
Kingbird |
Tyrannus
melancholicus |
| Fork-tailed
Flycatcher(S) |
Tyrannus
savana |
| Vermilion
Flycatcher |
Pyrocephalus
rubinus |
| White-crested
Tyrannulet |
Serpophaga
subcristata |
| Gray-breasted
Martin |
Progne
chalybea |
| Brown-chested
Martin |
Phaeoprogne
tapera |
| White-rumped
Swallow |
Tachycineta
leucorrhoa |
| House
Wren |
Troglodytes
aedon |
| Chalk-browed
Mockingbird |
Mimus
saturninus |
| Creamy-bellied
Thrush |
Turdus
amaurochalinus |
| Rufous-bellied
Thrush |
Turdus
rufiventris |
| Correndera
Pipit |
Anthus
correndera |
| Masked
Gnatcatcher |
Polioptila dumicola |
| Tropical
Parula |
Parula
pitiayumi |
| Masked
Yellowthroat |
Geothlypis aequinoctialis |
| Red-crested
Cardinal |
Paroaria
coronata |
| Yellow-billed
Cardinal |
Paroaria
capitata |
| Dark-throated
Seedeater |
Sporophila
ruficollis |
| Grassland
Yellow-Finch (S) |
Sicalis
luteola |
| Saffron
Finch |
Sicalis
flaveola |
| Rufous-collared
Sparrow |
Zonotrichia
capensis |
| Stripe
capped Sparrow |
Aimophila
strigiceps |
| Great
Pampa-Finch |
Embernagra
platensis |
| Hooded
Siskin |
Carduelis
magellanica |
| Epaulet
Oriole |
Icterus cayanensis |
| Screaming
Cowbird |
Molothrus
rufoaxillaris |
| Shiny
Cowbird |
Molothrus
bonariensis |
| Bay-winged
Cowbird |
Molothrus
badius |
| Yellow-winged
Blackbird |
Agelaius
thilius |
| Brown-and-yellow
Marshbird |
Pseudoleistes
virescens |