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Costanera Sur Reserve

Buenos Aires  >  Argentina

Buenos Aires Ecological Reserve, with 350 bird species a fantastic hotspot in downtown. Easy birding. It is possible to find close to 100 species in 1 day.

Added* by Horacio Matarasso
Most recent update 14 March 2021

Description

Covering 350 hectares, the Costanera Sur Ecological Reserve is the biggest and most biodiverse reserve in Buenos Aires. Despite its proximity to the busy downtown area, it's a remarkably oasis of calm, and a haven for wildlife close to Río de la Plata (river)

Along several winding paths leading around three lagoons to the river coast, you can observe many different species of birds, mammals, reptiles and amphibians, as well as more than 500 species of native vegetation including meadows of pampas grass, forests and wetlands.

The more than 2,000 species of flora and fauna that live in the reserve include lizards, turtles, coypus, and up to 350 species of birds that have been spotted. It is not uncommon to spot at least 50 different species of birds in just a two-hour visit.

The area was declared a nature reserve in 1986 and in 2005 was declared a Ramsar area and was recognised as an Important Bird Area by BirdLife International owing to its importance as a major international wetland habitat for flora and fauna. It now forms part of the Río de la Plata Eco-route, a circuit of more than 100km that connects several green spaces such as the Paraná River Delta Biosphere, Ceibas and other reserves in the city.

Details

Access

It is extremely easy to get there, by taxi from any location, walking from the center or other means of transport.

The reserve is open every day except Monday. Entrance is free. Open from Tuesday to Sunday, 8 am and 6 pm. However, the external walk along its edge is also an essential part of the visit, from where you can see a large part of its diversity of birds.

Terrain and Habitat

Forest , Wetland , Scattered trees and bushes , Grassland , River

Conditions

Flat

Circular trail

Yes

Is a telescope useful?

Can be useful

Good birding season

All year round

Route

Unpaved road

Difficulty walking trail

Easy

Accessible by

Foot , Bicycle

Birdwatching hide / platform

Yes

Extra info

It is very easy to find professional bird guides to visit the reserve. You can use internet search engines (use "Birding in Buenos Aires") and you will find the main specialized companies, all highly recommended.

Links

View other birding spots in the area that are published on Birdingplaces

Map

Top 5 birds

Masked Duck
2. Masked Duck
(Nomonyx dominicus)
Glittering-bellied Emerald
3. Glittering-bellied Emerald
(Chlorostilbon lucidus)

Other birds you can see here

Red Shoveler
Red Shoveler
(Spatula platalea)
Yellow-billed Pintail
Yellow-billed Pintail
(Anas georgica)
Chiloe Wigeon
Chiloe Wigeon
(Mareca sibilatrix)
Black-bellied Whistling-Duck
Black-bellied Whistling-Duck
(Dendrocygna autumnalis)
Silver Teal
Silver Teal
(Spatula versicolor)
Fulvous Whistling-Duck
Fulvous Whistling-Duck
(Dendrocygna bicolor)
Dusky-legged Guan
Dusky-legged Guan
(Penelope obscura)
Chilean Flamingo
Chilean Flamingo
(Phoenicopterus chilensis)
Spot-winged Pigeon
Spot-winged Pigeon
(Patagioenas maculosa)
Picui Ground Dove
Picui Ground Dove
(Columbina picui)
White-tipped Dove
White-tipped Dove
(Leptotila verreauxi)
Eared Dove
Eared Dove
(Zenaida auriculata)
Dark-billed Cuckoo
Dark-billed Cuckoo
(Coccyzus melacoryphus)
White-throated Hummingbird
White-throated Hummingbird
(Leucochloris albicollis)
Gilded Hummingbird
Gilded Hummingbird
(Hylocharis chrysura)
Blue-tufted Starthroat
Blue-tufted Starthroat
(Heliomaster furcifer)
Spotted Rail
Spotted Rail
(Pardirallus maculatus)
Red-gartered Coot
Red-gartered Coot
(Fulica armillata)
Red-and-white Crake
Red-and-white Crake
(Laterallus leucopyrrhus)
Rufous-sided Crake
Rufous-sided Crake
(Laterallus melanophaius)
White-winged Coot
White-winged Coot
(Fulica leucoptera)
Purple Gallinule
Purple Gallinule
(Porphyrio martinica)
Common Gallinule
Common Gallinule
(Gallinula galeata)
Spot-flanked Gallinule
Spot-flanked Gallinule
(Porphyriops melanops)
Gray-cowled Wood-Rail
Gray-cowled Wood-Rail
(Aramides cajaneus)
Giant Wood-Rail
Giant Wood-Rail
(Aramides ypecaha)
Plumbeous Rail
Plumbeous Rail
(Pardirallus sanguinolentus)
Limpkin
Limpkin
(Aramus guarauna)
Black-necked Stilt
Black-necked Stilt
(Himantopus mexicanus)
Southern Lapwing
Southern Lapwing
(Vanellus chilensis)
Solitary Sandpiper
Solitary Sandpiper
(Tringa solitaria)
Snowy-crowned Tern
Snowy-crowned Tern
(Sterna trudeaui)
Brown-hooded Gull
Brown-hooded Gull
(Chroicocephalus maculipennis)
Yellow-billed Tern
Yellow-billed Tern
(Sternula superciliaris)
Stripe-backed Bittern
Stripe-backed Bittern
(Ixobrychus involucris)
Striated Heron (South American)
Striated Heron (South American)
(Butorides striata striata)
Black-crowned Night-Heron (American)
Black-crowned Night-Heron (American)
(Nycticorax nycticorax hoactli)
Bare-faced Ibis
Bare-faced Ibis
(Phimosus infuscatus)
Black Vulture
Black Vulture
(Coragyps atratus)
Turkey Vulture
Turkey Vulture
(Cathartes aura)
Snail Kite
Snail Kite
(Rostrhamus sociabilis)
Long-winged Harrier
Long-winged Harrier
(Circus buffoni)
Sharp-shinned Hawk
Sharp-shinned Hawk
(Accipiter striatus)
Roadside Hawk
Roadside Hawk
(Rupornis magnirostris)
Harris's Hawk
Harris's Hawk
(Parabuteo unicinctus)
White-tailed Hawk
White-tailed Hawk
(Geranoaetus albicaudatus)
Black-chested Buzzard-Eagle
Black-chested Buzzard-Eagle
(Geranoaetus melanoleucus)
Swainson's Hawk
Swainson's Hawk
(Buteo swainsoni)
Tropical Screech-Owl
Tropical Screech-Owl
(Megascops choliba)
Ferruginous Pygmy-Owl
Ferruginous Pygmy-Owl
(Glaucidium brasilianum)
Striped Owl
Striped Owl
(Asio clamator)
Great Horned Owl
Great Horned Owl
(Bubo virginianus)
Ringed Kingfisher
Ringed Kingfisher
(Megaceryle torquata)
Amazon Kingfisher
Amazon Kingfisher
(Chloroceryle amazona)
Green Kingfisher
Green Kingfisher
(Chloroceryle americana)
White-barred Piculet
White-barred Piculet
(Picumnus cirratus)
White Woodpecker
White Woodpecker
(Melanerpes candidus)
Checkered Woodpecker
Checkered Woodpecker
(Dryobates mixtus)
Green-barred Woodpecker
Green-barred Woodpecker
(Colaptes melanochloros)
Campo Flicker
Campo Flicker
(Colaptes campestris)
Peregrine Falcon (Tundra)
Peregrine Falcon (Tundra)
(Falco peregrinus calidus/tundrius)
Southern Caracara
Southern Caracara
(Caracara plancus)
Aplomado Falcon
Aplomado Falcon
(Falco femoralis)
Chimango Caracara
Chimango Caracara
(Milvago chimango)
Yellow-chevroned Parakeet
Yellow-chevroned Parakeet
(Brotogeris chiriri)
Turquoise-fronted Parrot
Turquoise-fronted Parrot
(Amazona aestiva)
Maroon-bellied Parakeet
Maroon-bellied Parakeet
(Pyrrhura frontalis)
White-eyed Parakeet
White-eyed Parakeet
(Psittacara leucophthalmus)
Variable Antshrike
Variable Antshrike
(Thamnophilus caerulescens)
Rufous-capped Antshrike
Rufous-capped Antshrike
(Thamnophilus ruficapillus)
Sulphur-bearded Reedhaunter
Sulphur-bearded Reedhaunter
(Limnoctites sulphuriferus)
Narrow-billed Woodcreeper
Narrow-billed Woodcreeper
(Lepidocolaptes angustirostris)
Pale-breasted Spinetail
Pale-breasted Spinetail
(Synallaxis albescens)
Spix's Spinetail
Spix's Spinetail
(Synallaxis spixi)
Chotoy Spinetail
Chotoy Spinetail
(Schoeniophylax phryganophilus)
Yellow-chinned Spinetail
Yellow-chinned Spinetail
(Certhiaxis cinnamomeus)
Bay-capped Wren-Spinetail
Bay-capped Wren-Spinetail
(Spartonoica maluroides)
Stripe-crowned Spinetail
Stripe-crowned Spinetail
(Cranioleuca pyrrhophia)
Sooty-fronted Spinetail
Sooty-fronted Spinetail
(Synallaxis frontalis)
Sharp-billed Canastero
Sharp-billed Canastero
(Asthenes pyrrholeuca)
Rufous Hornero
Rufous Hornero
(Furnarius rufus)
Freckle-breasted Thornbird
Freckle-breasted Thornbird
(Phacellodomus striaticollis)
Little Thornbird
Little Thornbird
(Phacellodomus sibilatrix)
Tufted Tit-Spinetail
Tufted Tit-Spinetail
(Leptasthenura platensis)
Buff-winged Cinclodes
Buff-winged Cinclodes
(Cinclodes fuscus)
Wren-like Rushbird
Wren-like Rushbird
(Phleocryptes melanops)
Short-billed Canastero
Short-billed Canastero
(Asthenes baeri)
White-tipped Plantcutter
White-tipped Plantcutter
(Phytotoma rutila)
White-winged Becard
White-winged Becard
(Pachyramphus polychopterus)
Blue-billed Black-Tyrant
Blue-billed Black-Tyrant
(Knipolegus cyanirostris)
Yellow-browed Tyrant
Yellow-browed Tyrant
(Satrapa icterophrys)
Dark-faced Ground-Tyrant
Dark-faced Ground-Tyrant
(Muscisaxicola maclovianus)
Gray Monjita
Gray Monjita
(Xolmis cinereus)
White Monjita
White Monjita
(Xolmis irupero)
Black-backed Water-Tyrant
Black-backed Water-Tyrant
(Fluvicola albiventer)
Streaked Flycatcher
Streaked Flycatcher
(Myiodynastes maculatus)
Swainson's Flycatcher
Swainson's Flycatcher
(Myiarchus swainsoni)
Brown-crested Flycatcher
Brown-crested Flycatcher
(Myiarchus tyrannulus)
Cattle Tyrant
Cattle Tyrant
(Machetornis rixosa)
Great Kiskadee
Great Kiskadee
(Pitangus sulphuratus)
Crowned Slaty Flycatcher
Crowned Slaty Flycatcher
(Empidonomus aurantioatrocristatus)
Tropical Kingbird
Tropical Kingbird
(Tyrannus melancholicus)
Vermilion Flycatcher
Vermilion Flycatcher
(Pyrocephalus rubinus)
Subtropical Doradito
Subtropical Doradito
(Pseudocolopteryx acutipennis)
Euler's Flycatcher
Euler's Flycatcher
(Lathrotriccus euleri)
Bran-colored Flycatcher
Bran-colored Flycatcher
(Myiophobus fasciatus)
Tawny-crowned Pygmy-Tyrant
Tawny-crowned Pygmy-Tyrant
(Euscarthmus meloryphus)
Straneck's Tyrannulet
Straneck's Tyrannulet
(Serpophaga griseicapilla)
White-crested Tyrannulet
White-crested Tyrannulet
(Serpophaga subcristata)
Sooty Tyrannulet
Sooty Tyrannulet
(Serpophaga nigricans)
Large Elaenia
Large Elaenia
(Elaenia spectabilis)
Small-billed Elaenia
Small-billed Elaenia
(Elaenia parvirostris)
Warbling Doradito
Warbling Doradito
(Pseudocolopteryx flaviventris)
Bearded Tachuri
Bearded Tachuri
(Polystictus pectoralis)
Tufted Tit-Tyrant
Tufted Tit-Tyrant
(Anairetes parulus)
Yellow-billed Tit-Tyrant
Yellow-billed Tit-Tyrant
(Anairetes flavirostris)
Suiriri Flycatcher
Suiriri Flycatcher
(Suiriri suiriri)
Mottle-cheeked Tyrannulet
Mottle-cheeked Tyrannulet
(Phylloscartes ventralis)
Many-colored Rush Tyrant
Many-colored Rush Tyrant
(Tachuris rubrigastra)
Fork-tailed Flycatcher
Fork-tailed Flycatcher
(Tyrannus savana)
Red-eyed Vireo
Red-eyed Vireo
(Vireo olivaceus)
Rufous-browed Peppershrike
Rufous-browed Peppershrike
(Cyclarhis gujanensis)
Plush-crested Jay
Plush-crested Jay
(Cyanocorax chrysops)
Blue-and-white Swallow
Blue-and-white Swallow
(Pygochelidon cyanoleuca)
Tawny-headed Swallow
Tawny-headed Swallow
(Alopochelidon fucata)
Southern Rough-winged Swallow
Southern Rough-winged Swallow
(Stelgidopteryx ruficollis)
Gray-breasted Martin
Gray-breasted Martin
(Progne chalybea)
Southern Martin
Southern Martin
(Progne elegans)
Brown-chested Martin
Brown-chested Martin
(Progne tapera)
White-rumped Swallow
White-rumped Swallow
(Tachycineta leucorrhoa)
Chilean Swallow
Chilean Swallow
(Tachycineta leucopyga)
Masked Gnatcatcher
Masked Gnatcatcher
(Polioptila dumicola)
House Wren (Southern)
House Wren (Southern)
(Troglodytes aedon [musculus Group])
Chalk-browed Mockingbird
Chalk-browed Mockingbird
(Mimus saturninus)
White-banded Mockingbird
White-banded Mockingbird
(Mimus triurus)
Creamy-bellied Thrush
Creamy-bellied Thrush
(Turdus amaurochalinus)
Hooded Siskin
Hooded Siskin
(Spinus magellanicus)
Rufous-collared Sparrow
Rufous-collared Sparrow
(Zonotrichia capensis)
Chestnut-capped Blackbird
Chestnut-capped Blackbird
(Chrysomus ruficapillus)
Yellow-winged Blackbird
Yellow-winged Blackbird
(Agelasticus thilius)
Unicolored Blackbird
Unicolored Blackbird
(Agelasticus cyanopus)
Scarlet-headed Blackbird
Scarlet-headed Blackbird
(Amblyramphus holosericeus)
Shiny Cowbird
Shiny Cowbird
(Molothrus bonariensis)
Screaming Cowbird
Screaming Cowbird
(Molothrus rufoaxillaris)
Variable Oriole
Variable Oriole
(Icterus pyrrhopterus)
Solitary Black Cacique
Solitary Black Cacique
(Cacicus solitarius)
Masked Yellowthroat
Masked Yellowthroat
(Geothlypis aequinoctialis)
Tropical Parula
Tropical Parula
(Setophaga pitiayumi)
Golden-crowned Warbler
Golden-crowned Warbler
(Basileuterus culicivorus)
Ultramarine Grosbeak
Ultramarine Grosbeak
(Cyanoloxia brissonii)
Hepatic Tanager
Hepatic Tanager
(Piranga flava)
Green-winged Saltator
Green-winged Saltator
(Saltator similis)
Grayish Saltator
Grayish Saltator
(Saltator coerulescens)
Double-collared Seedeater
Double-collared Seedeater
(Sporophila caerulescens)
Blue-black Grassquit
Blue-black Grassquit
(Volatinia jacarina)
Great Pampa-Finch
Great Pampa-Finch
(Embernagra platensis)
Grassland Yellow-Finch
Grassland Yellow-Finch
(Sicalis luteola)
White-lined Tanager
White-lined Tanager
(Tachyphonus rufus)
Long-tailed Reed Finch
Long-tailed Reed Finch
(Donacospiza albifrons)
Sayaca Tanager
Sayaca Tanager
(Thraupis sayaca)
Blue-and-yellow Tanager
Blue-and-yellow Tanager
(Pipraeidea bonariensis)
Diademed Tanager
Diademed Tanager
(Stephanophorus diadematus)
Black-capped Warbling-Finch
Black-capped Warbling-Finch
(Microspingus melanoleucus)
Gray-throated Warbling-Finch
Gray-throated Warbling-Finch
(Microspingus cabanisi)
Hooded Tanager
Hooded Tanager
(Nemosia pileata)
Yellow-billed Cardinal
Yellow-billed Cardinal
(Paroaria capitata)
Golden-billed Saltator
Golden-billed Saltator
(Saltator aurantiirostris)

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