News - May 2019



salida 8-6



Butterflies and moths
Julia
Dryas iulia alcionea
Julia
28-05-19 © J. Simón Tagtachian
Southern fritillary
Euptoieta hortensia
Southern fritillary
04-05-19 © J. Simón Tagtachian
Number eighty
Diaethria candrena candrena
Number eighty
28-05-19 © J. Simón Tagtachian
Number eighty
28-05-19 © J. Simón Tagtachian
Syma sister
Adelpha syma
Syma sister
04-05-19 © J. Simón Tagtachian
Syma sister
04-05-19 © J. Simón Tagtachian
Syma sister
04-05-19 © Sergio Cusano
Common white-milk
Tatochila autodice
Common white-milk
23-05-19 © J. Simón Tagtachian

With Mexican silverspot above

Poltys satyr
Parypthimoides poltys
Poltys satyr
04-05-19 © J. Simón Tagtachian
Lantana scrub-hairstreak
Strymon bazochii
Lantana scrub-hairstreak
12-05-19 © Héctor Horacio García
Lantana scrub-hairstreak
11-05-19 © Javier Guillermo González
Ghost yellow
Eurema albula sinoe
Ghost yellow
12-05-19 © Carlos González Ledo
Ghost yellow
28-05-19 © J. Simón Tagtachian
Common yellow
Eurema deva
Common yellow
12-05-19 © Carlos González Ledo
Gulf fritillary
Agraulis vanillae maculosa
Gulf fritillary
12-05-19 © Carlos González Ledo
Laurentia Emperor
Doxocopa laurentia laurentia
Laurentia Emperor
22-05-19 © J. Simón Tagtachian
Laurentia Emperor
18-05-19 © J. Simón Tagtachian
Laurentia Emperor
18-05-19 © J. Simón Tagtachian
Laurentia Emperor
11-05-19 © Javier Guillermo González
Laurentia Emperor
11-05-19 © J. Simón Tagtachian
Laurentia Emperor
18-05-19 © Héctor Horacio García
Claudina crescent
Tegosa claudina
Claudina crescent
11-05-19 © Javier Guillermo González
Southamerican lady
Vanessa braziliensis
Southamerican lady
04-05-19 © J. Simón Tagtachian
Southern buckeye
Junonia genoveva hilaris
Southern buckeye
04-05-19 © J. Simón Tagtachian
Southern buckeye
04-05-19 © J. Simón Tagtachian
Southern Monarch
Danaus erippus
Southern Monarch
04-05-19 © J. Simón Tagtachian
Southern Monarch
04-05-19 © J. Simón Tagtachian
Bella mapwing
Hypanartia bella
Bella mapwing
28-05-19 © J. Simón Tagtachian
Bella mapwing
23-05-19 © J. Simón Tagtachian
Mexican silverspot
Dione moneta
Mexican silverspot
11-05-19 © Sergio Cusano
Mexican silverspot
08-05-19 © J. Simón Tagtachian



New species of insects and spiders 
Ichneumon wasp
Neotheronia sp
Ichneumon wasp
29-04-19 © J. Simón Tagtachian
American cockroach
Periplaneta americana
American cockroach
26-04-19 © J. Simón Tagtachian
Marsh fly
Marsh fly
24-02-19 © Carlos González Ledo
Short-tailed cricket
Anurogryllus sp.
Short-tailed cricket
29-04-19 © J. Simón Tagtachian
Gallinipper
Psorophora sp.
Gallinipper
13-04-19 © Sergio Cusano
Click beetle
Chalcolepidius limbatus
Click beetle
30-03-19 © Héctor Horacio García
Orb weaver
Metazygia sp.
Orb weaver
29-04-19 © J. Simón Tagtachian
Jumping spider
Megafreya sutrix
Jumping spider
23-03-19 © Javier Guillermo González

Urutu pit viper
Bothrops alternatus
Urutu pit viper
20-05-19 © J. Simón Tagtachian
Urutu pit viper
04-05-19 © Sergio Cusano
Urutu pit viper
04-05-19 © Javier Guillermo González
Urutu pit viper
04-05-19 © Javier Guillermo González
Urutu pit viper
12-05-19 © Lucas de Ciria
Urutu pit viper
18-05-19 © Pablo Serur
Urutu pit viper
19-05-19 © Javier Guillermo González
Urutu pit viper
20-05-19 © J. Simón Tagtachian
Urutu pit viper
25-05-19 © Javier Guillermo González
Urutu pit viper
25-05-19 © Lucas de Ciria
It is advised to watch out when walking, never leave the paths and if this viper is spotted, inform the Reserve's staff. Though it is not aggressive, you must not get near. Photos taken with telephoto lens





Plants, flowers and fruits
Fiddlewood
Cytharexylum montevidense
Tarumá/Fiddlewood
© Carlos González Ledo
Buttercup tree
Senna corymbosa
Sen del campo/Buttercup tree
© Carlos González Ledo
Roman Cassie
Acacia caven
Espinillo/Roman Cassie
© J. Simón Tagtachian
Larger bur-marigold
Bidens laevis
Flechilla/Larger bur-marigold
© J. Simón Tagtachian
Balloon vine
Cardiospermum grandiflorum
Globito cipó/Balloon vine
© J. Simón Tagtachian
Balloon vine
Cardiospermum grandiflorum
Globito cipó/Balloon vine
© J. Simón Tagtachian
Wild mallow
Abutilon pauciflorum
Malvavisco/Hairy Indian mallow
© J. Simón Tagtachian
Doctorcito
Austroeupatorium inulifolium
Doctorcito/Austroeupatorium inulifolium
© J. Simón Tagtachian
Pink pavonia
Pavonia hastata
Pavonia/Pink pavonia
© Carlos González Ledo
Spanish broom
Spartium junceum
Retama/Spanish broom
© J. Simón Tagtachian
Climbing aloe
Aloe ciliaris
Aloe trepador/Climbing aloe
© Carlos González Ledo
Ocean blue morning glory
Ipomoea indica
Campanilla violeta/Ocean blue morning glory
© J. Simón Tagtachian
Japanese pittosporum
Pittosporum tobira
Azarero/Japanese pittosporum
© Carlos González Ledo
Lantana
Lantana camara
Lantana
© J. Simón Tagtachian
Moonflower
Ipomoea alba
Dama de noche/Moonflower
© Carlos González Ledo
Moonflower
Ipomoea alba
Dama de noche/Moonflower
© J. Simón Tagtachian
Loquat
Eriobotrya japonica
Níspero/Loquat
© Carlos González Ledo
Indian shot
Canna indica
Achira roja/Indian shot
© J. Simón Tagtachian
Silk floss tree
Chorisia speciosa
Palo borracho/Silkfloss tree
© J. Simón Tagtachian
Mirlinton
Sechium edule
Papa del aire/Mirlinton
© J. Simón Tagtachian
White cedar
Melia azedarach
Paraíso/White cedar
© J. Simón Tagtachian
White cedar
Melia azedarach
Paraíso/White cedar
© J. Simón Tagtachian
Goat's rue
Galega officinalis
Ruda cabruna/Goat's rue
© J. Simón Tagtachian
Spanish bayonet
Yuca aloifolia
Yuca/Spanish bayonet
© J. Simón Tagtachian

Other fauna
Coypu
Myocastor coypus
Coipo/Coypu
© J. Simón Tagtachian
Brazilian Guinea pig
Cavia aperea
Cuis/Brazilian Guinea pig
© J. Simón Tagtachian
Painted turtle
Trachemys dorbigni
Tortuga pintada/Painted trutle
© J. Simón Tagtachian
Side-necked turtle
Phrynops hilarii
Tortuga de laguna
© J. Simón Tagtachian

Southern Screamer
Chauna torquata
Southern Screamer
23-05-19 © J. Simón Tagtachian
Southern Screamer
23-05-19 © J. Simón Tagtachian
Southern Screamer
23-05-19 © J. Simón Tagtachian
Southern Screamer
23-05-19 © J. Simón Tagtachian
Southern Screamer
23-05-19 © J. Simón Tagtachian
Southern Screamer
23-05-19 © J. Simón Tagtachian
Checkered Woodpecker
Veniliornis mixtus
Checkered Woodpecker
23-05-19 © J. Simón Tagtachian
Checkered Woodpecker
23-05-19 © J. Simón Tagtachian
Chimango Caracara
Milvago chimango
Chimango Caracara
23-05-19 © J. Simón Tagtachian
Rufous Hornero
Furnarius rufus
Rufous Hornero
23-05-19 © J. Simón Tagtachian
Rufous Hornero
23-05-19 © J. Simón Tagtachian
Brazilian Teal
Amazonetta brasiliensis
Brazilian Teal
23-05-19 © J. Simón Tagtachian
Solitary Black Cacique
Cacicus solitarius
Solitary Black Cacique
22-05-19 © J. Simón Tagtachian
Solitary Black Cacique
22-05-19 © J. Simón Tagtachian
Great Grebe
Podiceps major
Great Grebe
22-05-19 © J. Simón Tagtachian
Yellow-browed Tyrant
Satrapa icterophrys
Yellow-browed Tyrant
22-05-19 © J. Simón Tagtachian
Harris's Hawk
Parabuteo unicinctus
Harris's Hawk
22-05-19 © J. Simón Tagtachian
Harris's Hawk
22-05-19 © J. Simón Tagtachian



Roseate Spoonbill
Platalea ajaja
Roseate Spoonbill
20-05-19 © J. Simón Tagtachian
Roseate Spoonbill
20-05-19 © J. Simón Tagtachian
Southern Beardless-Tyrannulet
Camptostoma obsoletum
Southern Beardless-Tyrannulet
20-05-19 © J. Simón Tagtachian
Southern Beardless-Tyrannulet
20-05-19 © J. Simón Tagtachian
Spectacled Tyrant
Hymenops perspicillatus
Spectacled Tyrant
20-05-19 © J. Simón Tagtachian
Spectacled Tyrant
20-05-19 © J. Simón Tagtachian
Yellow-chinned Spinetail
Certhiaxis cinnamomeus
Yellow-chinned Spinetail
20-05-19 © J. Simón Tagtachian
Yellow-chinned Spinetail
20-05-19 © J. Simón Tagtachian
Maguari Stork
Ciconia maguari
Maguari Stork
20-05-19 © J. Simón Tagtachian
Giant Wood-Rail
Aramides ypecaha
Giant Wood-Rail
20-05-19 © J. Simón Tagtachian
Cattle Tyrant
Machetornis rixosa
Cattle Tyrant
20-05-19 © J. Simón Tagtachian
Cattle Tyrant
20-05-19 © J. Simón Tagtachian
Blue-and-yellow Tanager
Pipraeidea bonariensis
Blue-and-yellow Tanager
20-05-19 © J. Simón Tagtachian
Narrow-billed Woodcreeper
Lepidocolaptes angustirostris
Narrow-billed Woodcreeper
20-05-19 © J. Simón Tagtachian
Southern Caracara
Caracara plancus
Southern Caracara
20-05-19 © J. Simón Tagtachian
Greyish Baywing
Agelaioides badius
Greyish Baywing
20-05-19 © J. Simón Tagtachian
Greyish Baywing
20-05-19 © J. Simón Tagtachian
House Sparrow
Passer domesticus
House Sparrow
20-05-19 © J. Simón Tagtachian
House Sparrow
20-05-19 © J. Simón Tagtachian
House Sparrow
20-05-19 © J. Simón Tagtachian
House Sparrow
20-05-19 © J. Simón Tagtachian



Grey-throated Warbling-Finch
Poospiza cabanisi
Grey-throated Warbling-Finch
18-05-19 © Pablo Serur
Green-winged Saltator
Saltator similis
Green-winged Saltator
18-05-19 © Silvia Sokolovsky
Ferruginous Pygmy-Owl
Glaucidium brasilianum
Ferruginous Pygmy-Owl
19-05-19 © J. Simón Tagtachian
Ferruginous Pygmy-Owl
11-05-19 © Pablo Serur
Great Grebe
Podiceps major
Great Grebe
18-05-19 © Pablo Serur
Golden-billed Saltator
Saltator aurantiirostris
Golden-billed Saltator
18-05-19 © Pablo Serur
Whistling Heron
Syrigma sibilatrix
Whistling Heron
19-05-19 © J. Simón Tagtachian
Whistling Heron
19-05-19 © J. Simón Tagtachian
Black-necked Swan
Cygnus melancoryphus
Black-necked Swan
19-05-19 © J. Simón Tagtachian
Brazilian Teal
Amazonetta brasiliensis
Brazilian Teal
11-05-19 © Pablo Serur
Dark-faced Ground-Tyrant
Muscisaxicola maclovianus
Dark-faced Ground-Tyrant
25-05-19 © Javier Guillermo González

Andrés saw it very far away in the Duck Pond and told the rest. 

Dark-faced Ground-Tyrant
25-05-19 © Javier Guillermo González
White-lined Tanager
Tachyphonus rufus
White-lined Tanager
25-05-19 © Javier Guillermo González
Hepatic Tanager
Piranga flava
Hepatic Tanager
25-05-19 © Javier Guillermo González
American Kestrel
Falco sparverius
American Kestrel
25-05-19 © Lucas de Ciria
American Kestrel
25-05-19 © Javier Guillermo González
White-banded Mockingbird
Mimus triurus
White-banded Mockingbird
25-05-19 © Javier Guillermo González
Yellow-billed Pintail
Anas georgica
Yellow-billed Pintail
25-05-19 © Javier Guillermo González
Great Grebe
Podiceps major
Great Grebe
25-05-19 © Javier Guillermo González
Kelp Gull
Larus dominicanus
Kelp Gull
25-05-19 © Javier Guillermo González
Kelp Gull
25-05-19 © Lucas de Ciria
Tropical Parula
Setophaga pitiayumi
Tropical Parula
25-05-19 © Lucas de Ciria
Tropical Parula
25-05-19 © Javier Guillermo González
Variable Oriole
Icterus pyrrhopterus
Variable Oriole
25-05-19 © Javier Guillermo González
Variable Oriole
25-05-19 © Lucas de Ciria
White-crested Tyrannulet
Serpophaga subcristata
White-crested Tyrannulet
25-05-19 © Javier Guillermo González
Green-barred Woodpecker
Colaptes melanochloros
Green-barred Woodpecker
25-05-19 © Javier Guillermo González
Maguari Stork
Ciconia maguari
Maguari Stork
25-05-19 © Javier Guillermo González
Limpkin
Aramus guarauna
Limpkin
25-05-19 © Javier Guillermo González
Golden-crowned Warbler
Basileuterus culicivorus
Golden-crowned Warbler
25-05-19 © Javier Guillermo González
Double-collared Seedeater
Sporophila caerulescens
Double-collared Seedeater
25-05-19 © Javier Guillermo González
Monk Parakeet
Myiopsitta monachus
Monk Parakeet
25-05-19 © Javier Guillermo González
Black-capped Warbling-Finch
Poospiza melanoleuca
Black-capped Warbling-Finch
25-05-19 © Javier Guillermo González
Fulvous Whistling-Duck
Dendrocygna bicolor
Fulvous Whistling-Duck
25-05-19 © Javier Guillermo González

With yellow-billed teals swimmimng in the water and a white-faced whistling-duck bottom right

Masked Gnatcatcher
Polioptila dumicola
Masked Gnatcatcher
25-05-19 © Javier Guillermo González
House Sparrow
Passer domesticus
House Sparrow
25-05-19 © Javier Guillermo González

Grassland Yellow-Finch
Sicalis luteola
Grassland Yellow-Finch
18-05-19 © J. Simón Tagtachian
Grassland Yellow-Finch
18-05-19 © J. Simón Tagtachian
Hepatic Tanager
Piranga flava
Hepatic Tanager
18-05-19 © J. Simón Tagtachian
Gray-hooded Gull
Chroicocephalus cirrocephalus
Gray-hooded Gull
18-05-19 © J. Simón Tagtachian
Brown-hooded Gull
18-05-19 © J. Simón Tagtachian
Saffron Finch
Sicalis flaveola
Saffron Finch
18-05-19 © J. Simón Tagtachian
Saffron Finch
18-05-19 © J. Simón Tagtachian
Black-capped Warbling-Finch
Poospiza melanoleuca
Black-capped Warbling-Finch
18-05-19 © J. Simón Tagtachian
Blue-and-yellow Tanager
Pipraeidea bonariensis
Blue-and-yellow Tanager
18-05-19 © J. Simón Tagtachian
Green-winged Saltator
Saltator similis
Green-winged Saltator
18-05-19 © J. Simón Tagtachian
Yellow-browed Tyrant
Satrapa icterophrys
Yellow-browed Tyrant
18-05-19 © J. Simón Tagtachian
Creamy-bellied Thrush
Turdus amaurochalinus
Creamy-bellied Thrush
18-05-19 © J. Simón Tagtachian
Black-necked Stilt
Himantopus mexicanus
Black-necked Stilt
15-05-19 © J. Simón Tagtachian
Southern Lapwing
Vanellus chilensis
Southern Lapwing
15-05-19 © J. Simón Tagtachian
Nenday Parakeet
Aratinga nenday
Nenday Parakeet
15-05-19 © J. Simón Tagtachian
Cocoi Heron
Ardea cocoi
Cocoi Heron
15-05-19 © J. Simón Tagtachian
Coscoroba Swan
Coscoroba coscoroba
Coscoroba Swan
15-05-19 © J. Simón Tagtachian






Ferruginous Pygmy-Owl
Glaucidium brasilianum
Ferruginous Pygmy-Owl
19-05-19 © Javier Guillermo González
Ferruginous Pygmy-Owl
19-05-19 © Javier Guillermo González
Spot-winged Pigeon
Patagioenas maculosa
Spot-winged Pigeon
19-05-19 © Javier Guillermo González
Sooty-fronted Spinetail
Synallaxis frontalis
Sooty-fronted Spinetail
19-05-19 © Javier Guillermo González
Blue-and-yellow Tanager
19-05-19 © Javier Guillermo González
Black-capped Warbling-Finch
Poospiza melanoleuca
Black-capped Warbling-Finch
19-05-19 © Javier Guillermo González
Black-capped Warbling-Finch
19-05-19 © Javier Guillermo González
Nenday Parakeet
Aratinga nenday
Nenday Parakeet
01-06-19 © J. Simón Tagtachian

Foraging on the ground

Checkered Woodpecker
Veniliornis mixtus
Checkered Woodpecker
19-05-19 © Javier Guillermo González
Roadside Hawk
Rupornis magnirostris
Roadside Hawk
19-05-19 © Javier Guillermo González
Shiny Cowbird
Molothrus bonariensis
Shiny Cowbird
19-05-19 © Javier Guillermo González
Shiny Cowbird
19-05-19 © Javier Guillermo González
Hooded Siskin
Spinus magellanicus
Hooded Siskin
19-05-19 © Carlos González Ledo

Waterbirds
Yellow-billed Teal
Anas flavirostris
Yellow-billed Teal
19-05-19 © Carlos González Ledo
Silver Teal
Anas versicolor
Silver Teal
19-05-19 © Carlos González Ledo
Silver Teal
19-05-19 © Carlos González Ledo
Brazilian Teal
Amazonetta brasiliensis
Brazilian Teal
19-05-19 © Carlos González Ledo
Red-fronted Coot
Fulica rufifrons
Red-fronted Coot
19-05-19 © Carlos González Ledo
Red-gartered Coot
Fulica armillata
Red-gartered Coot
19-05-19 © Carlos González Ledo
Red-gartered Coot
19-05-19 © Carlos González Ledo
Rosy-billed Pochard
Netta peposaca
Rosy-billed Pochard
19-05-19 © Carlos González Ledo
Rosy-billed Pochard
19-05-19 © Carlos González Ledo

Two coots on top. A red-gartered coot (right) and a red-fronted coot (left). A standing rosy-billed pochard and yellow-billed teal in the water. on the vegetation morer rosybills and a silver teal

Cocoi Heron
Ardea cocoi
Cocoi Heron
19-05-19 © Carlos González Ledo
Rufescent Tiger-Heron
Tigrisoma lineatum
Rufescent Tiger-Heron
19-05-19 © Carlos González Ledo
Wattled Jacana
Jacana jacana
Wattled Jacana
19-05-19 © Carlos González Ledo
Common Gallinule
Gallinula galeata
Common Gallinule
19-05-19 © Carlos González Ledo
Southern Screamer
Chauna torquata
Southern Screamer
19-05-19 © Javier Guillermo González
Black-necked Swan
Cygnus melancoryphus
Black-necked Swan
19-05-19 © Javier Guillermo González
Ringed Teal
Callonetta leucophrys
Ringed Teal
19-05-19 © Javier Guillermo González

Among all the yellow-billed teals the silver teal is high on top of thr trunk

Silver Teal
Anas versicolor
Silver Teal
19-05-19 © Javier Guillermo González
Black-necked Stilt
Himantopus mexicanus
Black-necked Stilt
19-05-19 © Javier Guillermo González

Insects and spiders
Carpenter bee
Xylocopa augusti
Carpenter bee
29-04-17 © Sally Dietrich
Paper wasp
Polistes simillimus
Paper wasp
29-04-19 © J. Simón Tagtachian
Solitary bee
Centris sp.
Solitary bee
07-04-19 © Sally Dietrich
South American Fruit Tree Weevil
Naupactus xanthographus
South American Fruit Tree Weevil
30-03-19 © Héctor Horacio García
Leaf-footed bug
Holhymenia histrio
Leaf-footed bug
24-09-19 © J. Simón Tagtachian
Red Shoveler
Anas platalea
Red Shoveler
04-08-19 © Silvia Ana González
Bumblebee
Bombus sp.
Bumblebee
29-04-19 © J. Simón Tagtachian
Red Bug
Dysdercus albofasciatus
Red Bug
30-03-19 © Héctor Horacio García
Hoverfly
Palpada sp
Hoverfly
20-04-19 © Sally Dietrich
Lubber Grasshopper
Coryacris angustipennis
Lubber Grasshopper
18-04-19 © Carlos González Ledo
Lubber Grasshopper
29-04-19 © J. Simón Tagtachian
Leafcutter ant
Acromyrmex lundii
Leafcutter ant
23-04-19 © J. Simón Tagtachian
Leafcutter ant
23-04-19 © J. Simón Tagtachian
Golden Silk Orbweaver
Trichonephila clavipes
Golden Silk Orbweaver
02-04-19 © Sergio Cusano
Golden Silk Orbweaver
20-04-19 © Javier Guillermo González
Wolf spider
Lycosa erythrognatha
Wolf spider
29-04-19 © J. Simón Tagtachian
Cobweb spider
Cobweb spider
29-04-19 © J. Simón Tagtachian

White-tipped Plantcutter
Phytotoma rutila
White-tipped Plantcutter
18-05-19 © Daniel J. Rodríguez
White-tipped Plantcutter
18-05-19 © Daniel J. Rodríguez
Peregrine Falcon
Falco peregrinus
Peregrine Falcon
18-05-19 © Matías Cabezas
Peregrine Falcon
18-05-19 © Matías Cabezas
Blue-and-yellow Tanager
Pipraeidea bonariensis
Blue-and-yellow Tanager
18-05-19 © Daniel J. Rodríguez
Sayaca Tanager
Thraupis sayaca
Sayaca Tanager
18-05-19 © Daniel J. Rodríguez

New bird species: Tufted Tit-Tyrant
Anairetes parulus
Tufted Tit-Tyrant
18-05-19 © Andrés de Miguel
Tufted Tit-Tyrant
18-05-19 © Andrés de Miguel
Tufted Tit-Tyrant
18-05-19 © Ivan Ezequiel Eroles Monllor
The bibliography does not show this tit-tyrant so far north of the Buenos Aires Province, but it made it. A new winter visitor?



Wood Stork
Mycteria americana
Wood Stork
12-05-19 © Carlos González Ledo
Wood Stork
12-05-19 © Carlos González Ledo
Wood Stork
12-05-19 © Carlos González Ledo
Wood Stork
12-05-19 © Carlos González Ledo
Wood Stork
12-05-19 © Carlos González Ledo
Wood Stork
12-05-19 © Carlos González Ledo
Wood Stork
12-05-19 © Carlos González Ledo

Carlos tells us: "No doubt the star was the flock of wood storks which were perfoming for us during the morning. Impressive! All these photos can not accurately reflect what it really was. I was driving my car and could see them flying over the reserve. They came in flying low, then at the viewpoint they performed all sort of exercises, always on the wing. Beautiful, indeed! It seems they were seen on Saturday afternoon, so I believe they must have spent the night at the reserve. At times there were two groups with more than 40 individuals each. Impossible to capture all of them together!"

White-barred Piculet
Picumnus cirratus
White-barred Piculet
12-05-19 © Héctor Horacio García
Yellow-winged Blackbird
Agelasticus thilius
Yellow-winged Blackbird
12-05-19 © Carlos González Ledo
Screaming Cowbird
Molothrus rufoaxillaris
Screaming Cowbird
12-05-19 © Héctor Horacio García
Gray-necked Wood-Rail
Aramides cajaneus
Gray-necked Wood-Rail
12-05-19 © Héctor Horacio García
Harris's Hawk
Parabuteo unicinctus
Harris's Hawk
12-05-19 © Carlos González Ledo
Wattled Jacana
Jacana jacana
Wattled Jacana
12-05-19 © Carlos González Ledo
More than 25 wattled jacanas in the photo and there were a lot more. Too many were juveniles
Wattled Jacana
12-05-19 © Carlos González Ledo
Wattled Jacana
12-05-19 © Héctor Horacio García
Cattle Tyrant
Machetornis rixosa
Cattle Tyrant
12-05-19 © Héctor Horacio García
Saffron Finch
Sicalis flaveola
Saffron Finch
12-05-19 © Carlos González Ledo
Green-barred Woodpecker
Colaptes melanochloros
Green-barred Woodpecker
12-05-19 © Héctor Horacio García
Greyish Baywing
Agelaioides badius
Greyish Baywing
12-05-19 © Héctor Horacio García
Rufous-collared Sparrow
Zonotrichia capensis
Rufous-collared Sparrow
12-05-19 © Carlos González Ledo
Red-crested Cardinal
Paroaria coronata
Red-crested Cardinal
12-05-19 © Héctor Horacio García

American Kestrel
Falco sparverius
American Kestrel
04-05-19 © Héctor Horacio García
Maguari Stork
Ciconia maguari
Maguari Stork
04-05-19 © Héctor Horacio García
Rufescent Tiger-Heron
Tigrisoma lineatum
Rufescent Tiger-Heron
04-05-19 © Héctor Horacio García
Wood Stork
Mycteria americana
Wood Stork
12-05-19 © Lucas de Ciria
Wood Stork
12-05-19 © Lucas de Ciria
White-barred Piculet
Picumnus cirratus
White-barred Piculet
12-05-19 © Lucas de Ciria
White-barred Piculet
12-05-19 © Lucas de Ciria
Chalk-browed Mockingbird
Mimus saturninus
Chalk-browed Mockingbird
12-05-19 © Lucas de Ciria
Yellow-browed Tyrant
Satrapa icterophrys
Yellow-browed Tyrant
11-05-19 © Javier Guillermo González
White-tufted Grebe
Rollandia rolland
White-tufted Grebe
11-05-19 © Javier Guillermo González
White-tufted Grebe
11-05-19 © Javier Guillermo González
Masked Gnatcatcher
Polioptila dumicola
Masked Gnatcatcher
11-05-19 © Javier Guillermo González
Masked Gnatcatcher
11-05-19 © Javier Guillermo González
Checkered Woodpecker
Veniliornis mixtus
Checkered Woodpecker
11-05-19 © Javier Guillermo González
Brazilian Teal
Amazonetta brasiliensis
Brazilian Teal
11-05-19 © Javier Guillermo González
Ringed Teal
Callonetta leucophrys
Ringed Teal
11-05-19 © Javier Guillermo González

With juvenile Common Gallinule (right)

White-faced Whistling-Duck
Dendrocygna viduata
White-faced Whistling-Duck
11-05-19 © Javier Guillermo González
Roadside Hawk
Rupornis magnirostris
Roadside Hawk
11-05-19 © Javier Guillermo González
Greyish Baywing
Agelaioides badius
Greyish Baywing
11-05-19 © Javier Guillermo González
Rock Pigeon
Columba livia
Rock Pigeon
11-05-19 © Javier Guillermo González

Great Grebe
Podiceps major
Great Grebe
11-05-19 © Sergio Cusano
Great Grebe
11-05-19 © Sergio Cusano
Spot-winged Pigeon
Patagioenas maculosa
Spot-winged Pigeon
11-05-19 © Sergio Cusano
Spot-winged Pigeon
11-05-19 © Sergio Cusano
Coscoroba Swan
Coscoroba coscoroba
Coscoroba Swan
11-05-19 © Sergio Cusano
Coscoroba Swan
11-05-19 © Sergio Cusano
Screaming Cowbird
Molothrus rufoaxillaris
Screaming Cowbird
11-05-19 © Sergio Cusano
Green-winged Saltator
Saltator similis
Green-winged Saltator
11-05-19 © Sergio Cusano
Maguari Stork
Ciconia maguari
Maguari Stork
11-05-19 © Sergio Cusano
Double-collared Seedeater
Sporophila caerulescens
Double-collared Seedeater
11-05-19 © Sergio Cusano
Brown-chested Martin
Progne tapera
Brown-chested Martin
11-05-19 © Sergio Cusano
Whistling Heron
Syrigma sibilatrix
Whistling Heron
11-05-19 © Sergio Cusano
Variable Oriole
Icterus pyrrhopterus
Variable Oriole
11-05-19 © Sergio Cusano
Roadside Hawk
Rupornis magnirostris
Roadside Hawk
11-05-19 © Sergio Cusano
Giant Wood-Rail
Aramides ypecaha
Giant Wood-Rail
11-05-19 © Sergio Cusano
Monk Parakeet
Myiopsitta monachus
Monk Parakeet
11-05-19 © Sergio Cusano

Southern Beardless-Tyrannulet
Camptostoma obsoletum
Southern Beardless-Tyrannulet
08-05-19 © J. Simón Tagtachian
Southern Beardless-Tyrannulet
08-05-19 © J. Simón Tagtachian
Red-crested Cardinal
Paroaria coronata
Red-crested Cardinal
08-05-19 © J. Simón Tagtachian
Narrow-billed Woodcreeper
Lepidocolaptes angustirostris
Narrow-billed Woodcreeper
08-05-19 © J. Simón Tagtachian
Black-and-rufous Warbling-Finch
Poospiza nigrorufa
Black-and-rufous Warbling-Finch
08-05-19 © J. Simón Tagtachian
Creamy-bellied Thrush
Turdus amaurochalinus
Creamy-bellied Thrush
08-05-19 © J. Simón Tagtachian
Rufous-bellied Thrush
Turdus rufiventris
Rufous-bellied Thrush
08-05-19 © J. Simón Tagtachian
Great Kiskadee
Pitangus sulphuratus
Great Kiskadee
08-05-19 © J. Simón Tagtachian
Great Kiskadee
08-05-19 © J. Simón Tagtachian
Great Kiskadee
08-05-19 © J. Simón Tagtachian
Red-gartered Coot
Fulica armillata
Red-gartered Coot
08-05-19 © J. Simón Tagtachian
Picazuro Pigeon
Patagioenas picazuro
Picazuro Pigeon
08-05-19 © J. Simón Tagtachian

Black-necked Stilt
Himantopus mexicanus
Black-necked Stilt
07-05-19 © J. Simón Tagtachian
Black-necked Stilt
07-05-19 © J. Simón Tagtachian
Yellow-billed Pintail
Anas georgica
Yellow-billed Pintail
07-05-19 © J. Simón Tagtachian
Yellow-billed Cardinal
Paroaria capitata
Yellow-billed Cardinal
07-05-19 © J. Simón Tagtachian
Yellow-billed Cardinal
07-05-19 © J. Simón Tagtachian
Saffron Finch
Sicalis flaveola
Saffron Finch
07-05-19 © J. Simón Tagtachian
Saffron Finch
07-05-19 © J. Simón Tagtachian
White-faced Ibis
Plegadis chihi
White-faced Ibis
07-05-19 © J. Simón Tagtachian
Wattled Jacana
Jacana jacana
Wattled Jacana
07-05-19 © J. Simón Tagtachian
Great Kiskadee
Pitangus sulphuratus
Great Kiskadee
07-05-19 © J. Simón Tagtachian
Tropical Parula
Setophaga pitiayumi
Tropical Parula
07-05-19 © J. Simón Tagtachian
Kelp Gull
Larus dominicanus
Kelp Gull
07-05-19 © J. Simón Tagtachian
Kelp Gull
07-05-19 © J. Simón Tagtachian
Kelp Gull
07-05-19 © J. Simón Tagtachian
Blue-and-white Swallow
Pygochelidon cyanoleuca
Blue-and-white Swallow
07-05-19 © J. Simón Tagtachian
Cattle Tyrant
Machetornis rixosa
Cattle Tyrant
07-05-19 © J. Simón Tagtachian

With Southern Buckeye Junonia genoveva hilaris in the bill

Cattle Tyrant
07-05-19 © J. Simón Tagtachian
Shiny Cowbird
Molothrus bonariensis
Shiny Cowbird
07-05-19 © J. Simón Tagtachian
Shiny Cowbird
07-05-19 © J. Simón Tagtachian
Shiny Cowbird
07-05-19 © J. Simón Tagtachian




Views of the ponds
Coipos Viamonte/Coypu Pond Viamonte
9-5-19 © Roberto Ares
Coypu Pond from Viamonte and Gull Pond behind
Coipos Viamonte/Coypu Pond Viamonte
9-5-19 © Roberto Ares
The three ponds. Coypu Pond along the street, Gull Pond behind on the left and Duck Pond on the right
Coipos Brasil/Coypu Pond Brasil
9-5-19 © Roberto Ares
Coypu Pond almost complete from Viamonte to Brasil
Coipos Brasil/Coypu Pond Brasil
9-5-19 © Roberto Ares
Brasil end of Coypu Pond
Coipos Camino del Medio/Coypu Pond Middle Path
9-5-19 © Roberto Ares
Coypu Pond towards Middle Path
Coipos Camino del Medio/Coypu Pond Middle Path
9-5-19 © Roberto Ares
Removing rubbish from the Coypu Pond

More of the Global Big Day
Ruddy Ground Dove
Columbina talpacoti
Ruddy Ground Dove
04-05-19 © Javier Guillermo González
Ruddy Ground Dove
04-05-19 © Javier Guillermo González
Ruddy Ground Dove
04-05-19 © J. Simón Tagtachian
Ruddy Ground Dove
04-05-19 © J. Simón Tagtachian
Ruddy Ground Dove
04-05-19 © J. Simón Tagtachian
Peregrine Falcon
Falco peregrinus
Peregrine Falcon
04-05-19 © J. Simón Tagtachian
Peregrine Falcon
04-05-19 © J. Simón Tagtachian
American Kestrel
Falco sparverius
American Kestrel
04-05-19 © Javier Guillermo González
American Kestrel
04-05-19 © Javier Guillermo González
American Kestrel
04-05-19 © J. Simón Tagtachian
Hepatic Tanager
Piranga flava
Hepatic Tanager
04-05-19 © Javier Guillermo González
Hepatic Tanager
04-05-19 © Javier Guillermo González
Grey-throated Warbling-Finch
Poospiza cabanisi
Grey-throated Warbling-Finch
04-05-19 © Javier Guillermo González
Grey-throated Warbling-Finch
04-05-19 © Javier Guillermo González
Black-necked Stilt
Himantopus mexicanus
Black-necked Stilt
04-05-19 © Carlos González Ledo
Maguari Stork
Ciconia maguari
Maguari Stork
04-05-19 © J. Simón Tagtachian
Maguari Stork
04-05-19 © J. Simón Tagtachian
Green-winged Saltator
Saltator similis
Green-winged Saltator
04-05-19 © J. Simón Tagtachian
Giant Wood-Rail
Aramides ypecaha
Giant Wood-Rail
04-05-19 © Javier Guillermo González
White-tufted Grebe
Rollandia rolland
White-tufted Grebe
04-05-19 © Javier Guillermo González
Blue-and-yellow Tanager
Pipraeidea bonariensis
Blue-and-yellow Tanager
04-05-19 © J. Simón Tagtachian
Brown-hooded Gull
Chroicocephalus maculipennis
Brown-hooded Gull
04-05-19 © J. Simón Tagtachian
Black-necked Swan
Cygnus melancoryphus
Black-necked Swan
04-05-19 © Carlos González Ledo

We counted some 40 individuals

Whistling Heron
Syrigma sibilatrix
Whistling Heron
04-05-19 © J. Simón Tagtachian
Whistling Heron
04-05-19 © Javier Guillermo González
Cattle Tyrant
Machetornis rixosa
Cattle Tyrant
04-05-19 © Carlos González Ledo

Some ten cattle tyrants were foraging around the new viewpoint

Sayaca Tanager
Thraupis sayaca
Sayaca Tanager
04-05-19 © J. Simón Tagtachian
Narrow-billed Woodcreeper
Lepidocolaptes angustirostris
Narrow-billed Woodcreeper
04-05-19 © J. Simón Tagtachian
Snowy Egret
Egretta thula
Snowy Egret
04-05-19 © J. Simón Tagtachian
Snowy Egret
04-05-19 © Javier Guillermo González

With (1) white-face whistling-duck, (2) silver teal and (3) pair of ringed teal, female on the left, male on the right

Golden-crowned Warbler
Basileuterus culicivorus
Golden-crowned Warbler
04-05-19 © Javier Guillermo González
Chalk-browed Mockingbird
Mimus saturninus
Chalk-browed Mockingbird
04-05-19 © Carlos González Ledo
Greyish Baywing
Agelaioides badius
Greyish Baywing
04-05-19 © Carlos González Ledo
Roadside Hawk
Rupornis magnirostris
Roadside Hawk
04-05-19 © J. Simón Tagtachian
Roadside Hawk
04-05-19 © J. Simón Tagtachian

American Kestrel
Falco sparverius
American Kestrel
04-05-19 © J. Simón Tagtachian

One leg missing

The open tail of the male showing all the rufous part, the subterminal black line and the apical white line. The external tail feathers are white with broad black stripes. When folding the tail the external tail feathers cover the rufous part
American Kestrel
04-05-19 © J. Simón Tagtachian
Ventrally the wings with a black and white barring. Dorsally, rufous body, grey forearm and black primary feathers with white spots
American Kestrel
04-05-19 © J. Simón Tagtachian



Southern Caracara
Caracara plancus
Southern Caracara
04-05-19 © Carlos González Ledo
Southern Caracara
04-05-19 © Carlos González Ledo
Southern Caracara
04-05-19 © Carlos González Ledo
Rock Pigeon
04-05-19 © Carlos González Ledo
We were in the new viewpoint when a caracara with a pigeon in its foot landed inf front of us and began to eat it. Another caracara was waiting anxiously for some leftover. He ate the pigeon for half and hour and finally took it away. The other caracara followed it




Global Big Day
We went out to record birds and we had a great surprise: Ruddy Ground Dove 
Ruddy Ground Dove
Columbina talpacoti
Ruddy Ground Dove
04-05-19 © Sergio Cusano
Ruddy Ground Dove
04-05-19 © Sergio Cusano
American Kestrel
Falco sparverius
American Kestrel
04-05-19 © Sergio Cusano
Hepatic Tanager
Piranga flava
Hepatic Tanager
04-05-19 © Sergio Cusano
Grey-throated Warbling-Finch
Poospiza cabanisi
Grey-throated Warbling-Finch
04-05-19 © Sergio Cusano
Kelp Gull
Larus dominicanus
Kelp Gull
04-05-19 © Sergio Cusano
Kelp Gull
04-05-19 © Sergio Cusano
Kelp Gull
04-05-19 © Sergio Cusano
Cocoi Heron
Ardea cocoi
Cocoi Heron
04-05-19 © Sergio Cusano
White-crested Tyrannulet
Serpophaga subcristata
White-crested Tyrannulet
04-05-19 © Sergio Cusano
Variable Oriole
Icterus pyrrhopterus
Variable Oriole
04-05-19 © Sergio Cusano
Saffron Finch
Sicalis flaveola
Saffron Finch
04-05-19 © Sergio Cusano
Rufescent Tiger-Heron
Tigrisoma lineatum
Rufescent Tiger-Heron
04-05-19 © Sergio Cusano

Yellow-billed Tit-Tyrant
Anairetes flavirostris
Yellow-billed Tit-Tyrant
20-04-19 © Lorena Casella
Yellow-billed Tit-Tyrant
20-04-19 © Lorena Casella

Yellow-chinned Spinetail
Certhiaxis cinnamomeus
Yellow-chinned Spinetail
01-05-19 © Carlos González Ledo
Yellow-chinned Spinetail
01-05-19 © Carlos González Ledo
Red-crested Cardinal
Paroaria coronata
Red-crested Cardinal
01-05-19 © Carlos González Ledo
Cattle Tyrant
Machetornis rixosa
Cattle Tyrant
01-05-19 © Carlos González Ledo
Golden-billed Saltator
Saltator aurantiirostris
Golden-billed Saltator
01-05-19 © Carlos González Ledo
Greyish Baywing
Agelaioides badius
Greyish Baywing
01-05-19 © Carlos González Ledo



Black-necked Stilt
Himantopus mexicanus
Black-necked Stilt
29-04-19 © J. Simón Tagtachian
Tropical Parula
Setophaga pitiayumi
Tropical Parula
29-04-19 © J. Simón Tagtachian
Tropical Parula
29-04-19 © J. Simón Tagtachian
Tropical Parula
29-04-19 © J. Simón Tagtachian
Green-barred Woodpecker
Colaptes melanochloros
Green-barred Woodpecker
29-04-19 © J. Simón Tagtachian
Narrow-billed Woodcreeper
Lepidocolaptes angustirostris
Narrow-billed Woodcreeper
29-04-19 © J. Simón Tagtachian
Saffron Finch
Sicalis flaveola
Saffron Finch
29-04-19 © J. Simón Tagtachian
Double-collared Seedeater
Sporophila caerulescens
Double-collared Seedeater
29-04-19 © J. Simón Tagtachian
Blue-and-white Swallow
Pygochelidon cyanoleuca
Blue-and-white Swallow
29-04-19 © J. Simón Tagtachian
Blue-and-white Swallow
29-04-19 © J. Simón Tagtachian