News - April 2014

What birds are expected to arrive? More birds have been added to the list. Clic on Winter birds and you will see the list
Mexican Silverspot
Dione moneta
Moneta/Mexican Silverspot Moneta/Mexican Silverspot Moneta/Mexican Silverspot© Victoria Mansilla
Leucanella
Leucanella viridiscens
Leucanella viridiscens Leucanella viridiscensEating Cockspur Tree
Erythrina crista-gallileaves © Claudia y Tito Di Mauro
Butterflies photographed in April
White-patched Duskywing
Chiomara autander autander
Emparchada/White-patched Duskywing© Victoria Mansilla
Eufala skipper
Lerodea eufala
Medialuna común/Eufala skipper© Victoria Mansilla
Southern Buckeye
Junonia genoveva hilaris
Cuatro ojos común/Southern Buckeye© J. Simón Tagtachian
Mexican Silverspot
Dione moneta
Moneta/Mexican Silverspot© J. Simón Tagtachian
Remus Greenstreak
Cyanophrys remus
Frotadora esmeralda coluda/Remus Greenstreak© Claudia y Tito Di Mauro
Common White-milk
Tatochia autodice
Lechera común/Common White-milk© Sergio Cusano
Celmis Satyr
Yphtimoides celmis
Marrón del pastizal/Celmis Satyr© Sergio Cusano
Common Yellow
Eurema deva
Limoncito común/Common Yellow© Gustavo F. Brahamian
Russula Metalmark
Emessis russula
Acróbata rojiza/Russula Metalmark© Victoria Mansilla
American White Skipper
Heliopyrgus americanus bellatrix
Ajedrezada de lunar H/American White Skipper FFemale © Gustavo F. Brahamian
Argentine Checkered Skipper
Pyrgus orcynoides
Ajedrezada menor/Argentine Checkered Skipper© Sergio Cusano
Ithra Crescent
Ortilia ithra rufocincta
Bataraza/Ithra Crescent© Nicolás Giorgio
Small Skipper
Viola minor
Barrada lilácea/Small Skipper© Victoria Mansilla
Monarch
Danaus erippus
Monarca/Monarch© J. Simón Tagtachian
Funeral Duskywing
Erynnis funeralis
Enlutada de blanco/Funeral Duskywing© Victoria Mansilla
Dichrous Skipper
Theagenes dicrhrous
Falcada ribereña/Dichrous Skipper© Victoria Mansilla
Claudina Crescent
Tegosa claudina
Claudina/Claudina Crescent© Victoria Mansilla
Julia
Dryas iulia alcionea
Julia/Julia© Victoria Mansilla
Lesbia Sulfur
Colias lesbia
Isoca de la alfalfa/Lesbia Sulfur© Gustavo F. Brahamian
Southern Fritillary
Euptoieta hortensia
Hortensia/Southern Fritillary© Sergio Cusano
Chilean Lady
Vanessa carye
Dama manchada/Chilean Lady© Nicolás Giorgio
Gulf Fritillary
Agraulis vanillae maculosa
Espejitos/Gulf Fritillary© Gustavo F. Brahamian
Bella Mapwing
Hypanartia bella
Bellísima/Bella Mapwing© Sergio Cusano
Lyssipoides Metalmark
Riodina lyssipoides
Danzarina chica/Lyssipoides Metalmark© Sergio Cusano

Soldier Fly
Hedriodiscus sp
Soldier Fly
12-04-14 © Sergio Cusano
Soldier Fly
12-04-14 © Sergio Cusano
Ferruginous Pygmy-Owl
Glaucidium brasilianum
Caburé chico/Ferruginous Pygmy-Owl© Silvia Loiacono
Sulphur-throated Spinetail
Cranioleuca sulphurifera
Curutié ocráceo/Sulphur-throated Spinetail© J. Simón Tagtachian Curutié ocráceo/Sulphur-throated Spinetail© J. Simón Tagtachian
Spix's Spinetail
Synallaxis spixi
Pijuí plomizo/Spix's Spinetail© J. Simón Tagtachian Pijuí plomizo/Spix's Spinetail© Elsa y Guillermo
Tropical Parula
Setophaga pitiayumi
Pitiayumí/Tropical Parula© Elsa y Guillermo Pitiayumí/Tropical parula© Elsa y Guillermo
American Kestrel
Falco sparverius
Halconcito colorado M/American Kestrel MMale © J. Simón Tagtachian
Blue-and-yellow Tanager
Pipraeidea bonariensis
NaranjeroM/Blue-and-yellow Tanager MMale © J. Simón Tagtachian Naranjero M/Blue-and-yellow Tanager MMale © Elsa y Guillermo
White-faced Whistling-Duck
Dendrocygna viduata
Sirirí pampa/White-faced Whistling-DuckA small group of seven ducks and a red-fronted coot © J. Simón Tagtachian
Great Egret
Egretta alba
Garza blanca/Great Egret© J. Simón Tagtachian
Snowy Egret
Egretta thula
Garcita blanca/Snowy Egret© J. Simón Tagtachian
Bare-faced Ibis
Phimosus infuscatus
Cuervillo cara pelada/Bare-faced Ibis© J. Simón Tagtachian
Blue-and-white Swallow
Pygochelidon cyanoleuca
Golondrina barranquera/Blue-and-white SwallowThey were flying around and at times rested on the antenna at the Brasil entrance © J. Simón Tagtachian
Scarlet-headed Blackbird
Amblyramphus holosericeus
Federal/Scarlet-headed Blackbird© Nicolás Giorgio
Blue-and-yellow Tanager
Pipraeidea bonariensis
NaranjeroMJ/Blue-and-yellow Tanager JM Juvenile male © J. Simón Tagtachian NaranjeroMJ/Blue-and-yellow Tanager JMJuvenile male © J. Simón Tagtachian
Wattled Jacana
Jacana jacana
Jacana/wattled Jacana Jacana/Wattled Jacana"Amelia's" jacanas keep growing © J. Simón Tagtachian
White-tufted Grebe
Rollandia rolland
Macá comúnJ/White-tufted GrebeJJuvenile © J. Simón Tagtachian
Roadside Hawk
Rupornis magnirostris
Taguató común/Roadside Hawk© Gustavo F Brahamian
Harris's Hawk
Parabuteo unicinctus
Gavilán mixto/Harris's Hawk© Claudia y Tito Di Mauro
European Starling
Sturnus vulgaris
Estornino pinto/European Starling© J. Simón Tagtachian
Neotropic Cormorant
Phalacrocorax brasilianus
Biguá/Neotropic Cormorant© J. Simón Tagtachian
Rufous Hornero
Furnarius rufus
Hornero/Rufous HorneroA pair of horneroes going in and out of this apparently abandoned nest, which they seemed to be remodelling. Very early, isn't it? © Claudia y Tito Di Mauro
New frog species: Lesser swimming frog
Pseudis minutus
Ranita acuática común/Lesser Swimming Frog© J. Simón Tagtachian Andrés Sehinkman who identified this frog tells us it is typically found in flooded areas and lakes. It is common in Buenos Aires, entre Ríos. Santa Fé, etc. It has very developed interdigital membranes on their hind limbs, typical of aquatic species.
Ithra Crescent
Ortilia ithra
Bataraza/Ithra CrescentThis is the variety
rufocincta of this species and is found in Sierras de Córdoba. It differs from the crescent we see here in that it has a rufous submarginal line on the rear wings. © Nicolás Giorgio
Records of 2013 field list2013All these birds were registered somehow between March 2013 and March 2014. And we hope all these and too many others will be present on the following list. Have a look at it to be better prepared.
Greyish Saltator
Saltator coerulescens
Pepitero gris/Greyish Saltator © Claudia y Tito Di Mauro
Yellow-billed Teal
Anas flavirostris
Pato barcino/Yellow-billed Teal Pato barcino/Yellow-billed TealAnother teal family. Ducklings' wing are unproportionate small compared to the bill and legs. These parts are more developed to get food. © Claudia y Tito Di Mauro
Rosy-billed Pochard
Netta peposaca
Pato picazo/Rosy-billed Pochard © Gustavo F Brahamian
Coot meeting Gallaretas/Coots© Gustavo F Brahamian
Southern Caracara
Caracara plancus
Carancho/Southern Caracara Carancho/Southern Caracara Only two photos of two caracaras very far away in which one repeatedly pecked at the other's legs © Claudia y Tito Di Mauro
Double-collared Seedeater
Sporophila caerulescens
Corbatita común M/Double-collared SeedeaterA male still in the reserve © Claudia y Tito Di Mauro
Shiny Cowbird
Molothrus bonariensis
Tordo renegrido M/Shiny Cowbird MMale with a broken leg © Claudia y Tito Di Mauro
Austral Negrito
Lessonia rufa
Sobrepuesto MJ/Austral Negrito JM© Gonzalo Díaz Another photo of the same Austral Negrito taken on 12th by Gonzalo, who also adds these photos of Masked Duck taken on 31st December 2013. Pato fierro M/Masked Duck MMasked Duck female
Nomonyx dominicus © Gonzalo Díaz
Pato fierro M/Masked Duck MMasked Duck male
Nomonyx dominicus © Gonzalo Díaz
Pato fierro M/Masked Duck MMasked Duck male
Nomonyx dominicus © Gonzalo Díaz
Glaucous-blue Grosbeak
Cyanoloxia glaucocaerulea
Reinamora chica M/Glaucous-blue Grosbeak MMale © Javier Ubiría
Wood Stork
Mycteria americana
Tuyuyú/Wood StorkTuyuyú/Wood Stork© Javier Ubiría
White-tailed Hawk
Buteo albicaudatus
Aguilucho alas largas/White-tailed Hawk aguil alar gav mix JST 4 14© J. Simón Tagtachian Simón and Ignacio saw this White-tailed Hawk which confronted first a couple of caracaras and then two Harris's Hawks. Two raptor silhouettes to have in mind. The Harris's Hawk's wings are broad and rounded. Those of the White-tailed Hawk's are broad at the base and pointed. The Harris's Hawk's tail is longer than that of the White-tailed Hawk's. Aguilucho alas largas/White-tailed Hawk© J. Simón Tagtachian A quarter of an hour later another hawk was photographed. It turned out to be another individual as can be seen from the molt of the primary feathers.
Straneck's Tyrannulet
Serpophaga griseicapilla
Piojito trinador/Straneck's TyrannuletIdentified by the song © J. Simón Tagtachian
Hepatic Tanager
Piranga flava
Fueguero común H/Hepatic Tanager FFemale © Sergio Cusano
New butterfly species: Mexican Silverspot
Dione moneta
Moneta/Mexican Silverspot Moneta/Mexican Silverspot© Sergio Cusano This species inhabits from the south of the United States to the north of Argentina. To have found it here far from its distribution range has been quite a surprise. And there was not only one, but four individuals. At first sight both the dorsal and ventral side of the wings look much more the Gulf Fritillary
Agraulis vanillae maculosa, a very common species here. But at a closer look we noticed that the orange colour was stronger, this individual was bigger and that it lacked the black dots. The genus
Dione contains three species,
moneta and
glycera which are in the north of the country and
juno, Juno Silverspot, which frequent Buenos Aires, but there are no records of the last in the reserve.
Austral Negrito
Lessonia rufa
Sobrepuesto/Austral Negrito© Elsa y Guillermo Sobrepuesto/Austral Negrito© Astrid Wessels Sobrepuesto/Austral Negrito© Silvia Loiacono Sobrepuesto/Austral Negrito© Claudia y Diego Bastías And another winter bird arrived.. The Austral Negrito visits us from time to time, so pictures taken by all photographers. Thie individual is not an adult male yet, but we consider it as such. CR
Long-winged Harrier
Circus buffoni
Gavilán planeador/Long-winged Harrier© J. Simón Tagtachian
Roseate Spoonbill
Platalea ajaja
Espátula rosada/Roseate Spoonbill© J. Simón Tagtachian
Barn Swallow
Hirundo rustica
Golondrina tijerita/Barn Swallow Golondrina tijerita/Barn Swallow© J. Simón Tagtachian
Blue-and-white Swallow
Pygochelidon cyanoleuca
Golondrina barranquera/Blue-and-white Swallow© J. Simón Tagtachian
Maguari Stork
Ciconia maguari
Cigüeña americana/Maguari Stork© J. Simón Tagtachian
Coscoroba Swan
Coscoroba coscoroba
Coscoroba/Coscoroba Swan© J. Simón Tagtachian Coscoroba/Coscoroba Swan© Sergio Cusano
Ringed Teal
Callonetta leucophrys
Pato de collar/Ringed Teal© J. Simón Tagtachian
Campo Flicker
Colaptes campestris
Carpintero campestre/Campo FlickerFemale © J. Simón Tagtachian
Yellow-browed Tyrant
Satrapa icterophrys
Suirirí amarillo/Yellow-browed Tyrant© Elsa y Guillermo
Green-barred Woodpecker
Colaptes melanochloros
Carpintero real/Green-barred WoodpeckerOn the wall of the sidewalk © Sergio Cusano
Cocoi Heron
Ardea cocoi
Garza mora/Cocoi Heron© J. Simón Tagtachian
Kelp Gull
Larus dominicanus
Gaviota cocineraVery far away a group of 30 gulls passed by © Sergio Cusano
Yellow-billed Teal
Anas flavirostris
Pato barcino/Yellow-billed TealSergio has sent this photo of a Yellow-billed Teal taken on March 13th correcting our belief that the teal had been absent for quite a while. © Sergio Cusano
Cinnamon Teal
Anas cyanoptera
Pato colorado/Cinnamon Teal Pato colorado/cinnamon Teal © Claudia y Tito Di Mauro
White-tufted Grebe
Rollandia rolland
Macá común/White-tufted Grebe Macá común/White-tufted Grebe © Claudia y Tito Di Mauro Macá común/White-tufted Grebe © Claudia y Tito Di Mauro
White-faced Whistling-Duck
Dendrocygna viduata
Sirirí pampa/White-faced Whistling-Duck © Elsa y Guillermo
Ringed Teal-Guira Cuckoo
Callonetta leucophrys-Guira guira
Pato de collar-pirincho/Ringed Teal-Guira CuckooBe caregul with the cuckoo! © Claudia y Tito Di Mauro
Plumbeous Rail
Pardirallus sanguinolentus
Gallineta común/Plumbeous Rail © Elsa y Guillermo
Cattle Tyrant
Machetornis rixosa
Picabuey/Cattle Tyrant © Claudia y Tito Di Mauro
Masked Yellowthroat
Geothlypis aequinoctialis
Arañero cara negra M/Masked Yellowthroat MMale © Claudia y Tito Di Mauro
Rufescent Tigr-Heron and Common Gallinules
Tigrisoma lineatum - Gallinula galeata
Hocó-pollonas/Tiger-Heron-Gallinules © Elsa y Guillermo
White-lined Tanager
Tachyphonus rufus
Frutero negro M/White-lined Tanager MMale © Claudia y Tito Di Mauro
Yellow-browed Tyrant
Satrapa icterophrys
Suirirí amarillo/Yellow-browed Tyrant © Claudia y Tito Di Mauro
Yellow-billed Teal
Anas flavirostris
Pato barcino/Yellow-billed Teal © Claudia y Tito Di Mauro
Spot-flanked Gallinule
Gallinula melanops
Pollona pintada/Spot-flanked Gallinule © Claudia y Tito Di Mauro Both the yellow-billed teal and the spot-flanked gallinule have been absent for a while. In the case of the gallinules there were plenty of them and all of a sudden vanished into thin air.
Wattled Jacana
Jacana jacana
Jacana/Wattled Jacana Jacana/Wattled Jacana © Claudia y Tito Di Mauro Photos on top show the three jacana chicks from the nest detected by Amelia. They are more than three weeks old. The chick of the photo below belongs to the clutch which hatched at the beginning of February. They are more or less a month and a half older than the previous ones. Jacana/Wattled Jacana © Claudia y Tito Di Mauro

White-tufted Grebe
Rollandia rolland
02-04-14 © Claudia y Tito Di Mauro
Rosy-billed Pochard
Netta peposaca
Pato picazo/Rosy-billed PochardAnother new family © Elsa y Guillermo
Black-capped Warbling-Finch
Poospiza melanoleuca
Monterita cabeza negra/Black-capped Warbling-Finch© Elsa y Guillermo