News - January 2015

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Sooty-fronted Spinetail
Synallaxis frontalis
Sooty-fronted Spinetail
28-01-15 © Hugo Aguilar
Glaucous-blue Grosbeak
Cyanoloxia glaucocaerulea
Glaucous-blue Grosbeak
28-01-15 © Hugo Aguilar
Cocoi Heron
Ardea cocoi
Cocoi Heron
28-01-15 © Hugo Aguilar
Grayish Saltator
Saltator coerulescens
Grayish Saltator
28-01-15 © Hugo Aguilar
Eared Dove
Zenaida auriculata
Eared Dove
28-01-15 © Hugo Aguilar
Cattle Tyrant
Machetornis rixosa
Cattle Tyrant
29-01-15 © Nicolás Giorgio
White-winged Becard
Pachyramphus polychopterus
White-winged Becard
31-01-15 © Dolores Fernández
This female talked to another conspecific

White-rumped Swallow
Tachycineta leucorrhoa
White-rumped Swallow
31-01-15 © Dolores Fernández
White-crested Tyrannulet
Serpophaga subcristata
White-crested Tyrannulet
29-01-15 © Ignacio Agudelo
Nenday Parakeet
Aratinga nenday
Nenday Parakeet
29-01-15 © Nicolás Giorgio
Greyish Baywing
Agelaioides badius
Greyish Baywing
31-01-15 © Gustavo F. Brahamian
Striated Heron
Butorides striata
Striated Heron
29-01-15 © Ignacio Agudelo
Great Kiskadee
Pitangus sulphuratus
Great Kiskadee
31-01-15 © J. Simón Tagtachian
European Starling
Sturnus vulgaris
European Starling
31-01-15 © Ignacio Agudelo
Rufescent Tiger-Heron
Tigrisoma lineatum
Rufescent Tiger-Heron
31-01-15 © Elsa y Guillermo Marcaida
White-faced Ibis
Plegadis chihi
White-faced Ibis
29-01-15 © Ignacio Agudelo

Duckling Gallery
Patito barcinoC CGL 11 13© Carlos González Ledo pato fierroC CYT 1 15© Claudia y Tito Di Mauro
¿If parents are not near, would you know who they are? Visit The Duckling Gallery of the reserve
Second group of butterflies of January
Sergio Cusano saw
Morpho epistrophus argentinus on the Lizard Path, but he could not take a photo. Last Saturday we saw it again but now on the Middle Path, but no photos were taken either. Let's be attentive. This is a 10-cm butterfly. Impossible to pass unnoticed. It is pale bluish white with a dark border
Omrina white skipper
Heliopetes omrina
Blanca lomo negro/Omrina white skipper© Sergio cusano
Ellida stripestreak
Arawacus ellida
Élida/Ellida stripestreak© Dolores Fernández
Poltys satyr
Parythtimoides poltys
Ocelada doble línea/Poltys satyr© Sergio Cusano
Dichrous Skipper
Theagenes dichrous
Falcada ribereña/Dichrous Skipper© Victoria Mansilla
American White-milk
Tatochila mercedis vanvolxemii
Lechera argentina/American White-milk© Sergio Cusano
Eufala Skipper
Lerodea eufala
Medialuna común/Eufala Skipper© Victoria Mansilla
Silverdrop
Epargyreus tmolis
Plateada común/Silverdrop© Victoria Mansilla
Celmis Satyr
Ypthimoides celmis
Marrón del pastizal/Celmis Satyr© Sergio Cusano
Yellow lazy
Actinote carycina
Perezosa amarilla/Yellow lazy© Sergio Cusano
Common Lazy
Actinote pellenea
Perezosa común /Common Lazy© Ignacio Aguledo
Big lazy
Actinote pyrrha
Perezosa grande/Big lazy© Victoria Mansilla
Dichrous Skipper
Riodina lyssipoides
Falcada ribereña/Dichrous Skipper© Victoria Mansilla
Southern Buckeye
Junonia genoveva hilaris
Cuatro ojos común/Southern Buckeye© Sergio Cusano
Southamerican lady
Vanessa brasiliensis
Dama pintada/Southamerican lady© Victoria Mansilla
Fiery Skipper
Hylephila phileus
Saltarina amarilla H/ Fiery Skipper F© Sergio Cusano
Mexican Silverspot
Dione moneta
Moneta/Mexican Silverspot© Victoria Mansilla
Plants of January
Banana tree
Musa paradisiaca
Banano/Banana plant© Nicolás Giorgio
Indian shot
Canna indica
Achira roja/Indian shot© Sergio Cusano
Yellow bird of paradise
Caesalpinia gilliesii
Barba de chivo/Yellow bird of paradise© Ignacio Aguledo
Moonflower
Ipomoea alba
Dama de noche/Moonflower© Ignacio Aguledo
Calico flower
Aristolochia elegans
Aristoloquia/Calico flower© Victoria Mansilla
Indian shot
Canna glauca
Achira amarilla/Indian shot© Sergio Cusano

Sapium haematospermum
Curupí/Sapium haematospermum© Ignacio Aguledo
Peach tree
Prunus persica
Duraznero/Prunus persica© Carlos González Ledo
Cat claw vine
Macfadyena unguis-cati
Uña de gato/Cat claw vine© Sergio Cusano
Spiderwort
Tradescantia zebrina
Oreja de tigre/Spiderwort© Dolores Fernández

Eupatorium hecathantum
Falsa chilca/Solanum hecathantum© Sergio Cusano
Little peach nightshade
Solanum malacoxylon
<Varilla/Little peach nightshade© Ignacio Aguledo
Chinese wisteria
Wisteria sinensis
Glicina/Chinese wisteria© Sergio Cusano
Cow's foot
Bauhinia forficata
Pata de vaca/Cow's foot© Ignacio Aguledo
Striped rosemallow
Hibiscus striatus
Rosa de río/Striped  rosemallow© Ignacio Aguledo
Lantana
Lantana camara
Lantana© Sergio Cusano
Blue anise sage
Salvia guaranitica
Salvia azul/Blue anise sage© Sergio Cusano
Silk floss tree
Chorisia speciosa
Palo borracho/Silk floss tree© Sergio Cusano
Limpkin
Aramus guarauna
31-01-15 © Claudia y Tito Di Mauro
Normally seen wading or flying. It can also be seen swimming when they are with chicks that cannot still fly.

Masked Duck
Nomonyx dominicus
Masked Duck
31-01-15 © J. Simón Tagtachian
Masked Duck
31-01-15 © Dolores Fernández
Masked Duck
31-01-15 © Elsa y Guillermo Marcaida
Masked Duck
31-01-15 © J. Simón Tagtachian

Simón discovered these four masked ducklings (afterwards we saw a fifth) and their mother (in this photo) among the giant arrowheads. These marsh plants provide an almost hidden environment, which makes it difficult to find the family. This is the first record of masked ducklings on this site.

31-01-15 © Dolores Fernández
31-01-15 © Cora Rimoldi
31-01-15 © Claudia y Tito Di Mauro
Here the five masked ducklings

Red-and-white Crake
Laterallus leucopyrrhus
Red-and-white Crake
31-01-15 © Dolores Fernández
Red-and-white Crake
31-01-15 © J. Simón Tagtachian
Red-and-white Crake
31-01-15 © Claudia y Tito Di Mauro
Red-and-white Crake
31-01-15 © Claudia y Tito Di Mauro
Red-and-white Crake
31-01-15 © Claudia y Tito Di Mauro
31-01-15 © Cora Rimoldi
31-01-15 © Claudia y Tito Di Mauro
31-01-15 © Elsa y Guillermo Marcaida

First breeding record of red-and-white crake in the reserve.


Purple Gallinule
Porphyrio martinicus
Purple Gallinule
30-01-15 © Nicolás Giorgio
Purple Gallinule
30-01-15 © Nicolás Giorgio

Individual ringed and released by the Rehabilitation Center. Unluckily I could not see the action but fortunately I registered this gallinule and the ring on its left leg when it was around Coipos.


Ultramarine Grosbeak
Cyanoloxia brissonii
Ultramarine Grosbeak
29-01-15 © Ignacio Agudelo
Fulvous Whistling-Duck
Dendrocygna bicolor
Fulvous Whistling-Duck
29-01-15 © Ignacio Agudelo

Have you found the family?

Red-crested Cardinal
Paroaria coronata
Red-crested Cardinal
29-01-15 © Ignacio Agudelo
Wattled Jacana
Jacana jacana
Wattled Jacana
30-01-15 © Claudia y Diego Bastías
Wattled Jacana
30-01-15 © Nicolás Giorgio

First jacana family of the season



Roseate Spoonbill
Platalea ajaja
Roseate Spoonbill
29-01-15 © Claudia y Diego Bastías

On Thursday 29th around 9.40 I observed these spoonbills flying around the Grebe Pond

Roseate Spoonbill
29-01-15 © Claudia y Tito Di Mauro
Roseate Spoonbill
29-01-15 © Claudia y Tito Di Mauro
At noon at about 12.30 from the Lizard Path (between Brasil and the Middle Path) on one of the islands at Coypu Pond there were 4 spoonbills. They were there for a while and then flew over the pond towards Viamonte. We do not know whether they stopped or not. We did not see them again
29-01-15 © Claudia y Tito Di Mauro

Preening on an island at the Coypu Pond


Spot-winged Pigeon
Patagioenas maculosa
Spot-winged Pigeon
27-01-15 © Sergio Cusano
Lake Duck
Oxyura vittata
Lake Duck
27-01-15 © Sergio Cusano
Picui Ground Dove
Columbina picui
Picui Ground Dove
27-01-15 © Sergio Cusano
Rosy-billed Pochard
Netta peposaca
Rosy-billed Pochard
27-01-15 © Sergio Cusano
Rosy-billed Pochard
27-01-15 © Sergio Cusano

Many-colored Rush Tyrant
Tachuris rubrigastra
Many-colored Rush Tyrant
20-01-15 © Claudia y Tito Di Mauro
Scarlet-headed Blackbird
Amblyramphus holosericeus
Scarlet-headed Blackbird
20-01-15 © Claudia y Tito Di Mauro
Ringed Teal
Callonetta leucophrys
Ringed Teal
24-01-15 © Favio Gustavo Belotto
Warbling Doradito
Pseudocolopteryx flaviventris
Warbling Doradito
24-01-15 © Elsa y Guillermo Marcaida
Sayaca Tanager
Thraupis sayaca
Sayaca Tanager
24-01-15 © J. Simón Tagtachian
Ferruginous Pygmy-Owl
Glaucidium brasilianum
Ferruginous Pygmy-Owl
24-01-15 © Favio Gustavo Belotto
Ferruginous Pygmy-Owl
24-01-15 © J. Simón Tagtachian
Rufous-sided Crake
Laterallus melanophaius
Rufous-sided Crake
24-01-15 © J. Simón Tagtachian
Great Pampa-Finch
Embernagra platensis
Great Pampa-Finch
24-01-15 © Favio Gustavo Belotto
Yellow-browed Tyrant
Satrapa icterophrys
Yellow-browed Tyrant
24-01-15 © J. Simón Tagtachian

Works Obras/Works© Victoria Mansilla

Green Kingfisher
Chloroceryle americana
Green Kingfisher
24-01-15 © Amelia Besana
Green Kingfisher
24-01-15 © J. Simón Tagtachian
Green Kingfisher
24-01-15 © Favio Gustavo Belotto

Swainson's Flycatcher
Myiarchus swainsoni
Swainson's Flycatcher
23-01-15 © Claudia y Diego Bastías
Narrow-billed Woodcreeper
Lepidocolaptes angustirostris
Narrow-billed Woodcreeper
24-01-15 © Gustavo F. Brahamian
White-eyed Parakeet
Psittacara leucophtalmus
White-eyed Parakeet
24-01-15 © Amelia Besana
Rosy-billed Pochard
Netta peposaca
Rosy-billed Pochard
24-01-15 © Gustavo F. Brahamian
Rufescent Tiger-Heron
Tigrisoma lineatum
Rufescent Tiger-Heron
22-01-15 © Claudia y Diego Bastías
Harris's Hawk
Parabuteo unicinctus
Harris's Hawk
24-01-15 © Gustavo F. Brahamian

Wattled Jacana
Jacana jacana
26-01-15 © Amelia Besana

Small-billed Elaenia
Elaenia parvirostris
Small-billed Elaenia
22-01-15 © Ignacio Agudelo
Small-billed Elaenia
22-01-15 © Ignacio Agudelo
Small-billed Elaenia
22-01-15 © Ignacio Agudelo
Kelp Gull
Larus dominicanus
Kelp Gull
20-01-15 © Sergio Cusano
Kelp Gull
20-01-15 © Sergio Cusano
Pied-billed Grebe
Podilymbus podiceps
Pied-billed Grebe
17-01-15 © Pablo Serur

With a hook caught on the wing and the bill torn

Pied-billed Grebe
17-01-15 © Pablo Serur

Detail of the torn bill

Common Gallinule
Gallinula galeata
Common Gallinule
17-01-15 © Amelia Besana
Spot-flanked Gallinule
Gallinula melanops
Spot-flanked Gallinule
17-01-15 © Sergio Cusano
Spot-flanked Gallinule
17-01-15 © Amelia Besana
White-lined Tanager
Tachyphonus rufus
White-lined Tanager
17-01-15 © Amelia Besana
Checkered Woodpecker
Veniliornis mixtus
Checkered Woodpecker
22-01-15 © Ignacio Agudelo
Hooded Siskin
Spinus magellanicus
Hooded Siskin
20-01-15 © Sergio Cusano
Masked Yellowthroat
Geothlypis aequinoctialis
Masked Yellowthroat
20-01-15 © Sergio Cusano
Picazuro Pigeon
Patagioenas picazuro
Picazuro Pigeon
20-01-15 © Sergio Cusano

On the grass two Picazuro Pigeons with a male Shiny Cowbird and two Eared Doves. On the logs, female Shiny Cowbirds, eared dove, bay-winged cowbird and a yellow-billed Cardinal


Coscoroba Swan
Coscoroba coscoroba
Coscoroba/Coscoroba Swan© J. Simón Tagtachian
And with the cygnets grown and flying it is time to publish the second and last part of the development cycle.
New moth species:
Eurata hermione
Eurata hermione© Flor
Butterflies and moths
Polydamas Swallowtail
Battus polydamas
Borde de oro/Polydamas Swallowtail© J. Simón Tagtachian

Atteva pustulella
Atteva pustulella© Sergio Cusano
Russula Metalmark
Emessis russula
Acróbata rojiza/Russula Metalmark© Sergio Cusano
Russula Metalmark
Emessis russula
Acróbata rojiza/Russula Metalmark© Flor

Rhyncopyga meisteri
Rhyncopyga meisteri FAM© Flor
Lesbia Sulphur
Colias lesbia
Isoca de la alfalfa/Lesbia Sulphur© Sergio Cusano
Common Yellow
Eurema deva
Limoncito común/Common Yellow© Flor
Eurytulus Scrub-Hairstreak
Strymon eurytulus
Frotadora común/Eurytulus Scrub-Hairstreak© Dolores Fernández
Claudina Crescent
Tegosa claudina
Claudina/Claudina Crescent© Sergio Cusano
Monarch
Danaus erippus
Monarca/Monarch© Victoria Mansilla
Southern Buckeye
Junonia genoveva hilaris
Cuatro ojos común/Southern Buckeye© Sergio Cusano
Mexican Silverspot
Dione moneta
Moneta/Mexican Silverspot© Sergio Cusano
Gulf Fritillary
Agraulis vanillae maculosa
Espejitos/Gulf FritillaryDorsal view © Sergio Cusano
Gulf Fritillary
Agraulis vanillae maculosa
Espejitos/Gulf FritillaryVentral view © Sergio Cusano
Bella Mapwing
Hypanartia bella
Bellísima común/Bella MapwingDorsal view © Sergio Cusano
Bella Mapwing
Hypanartia bella
Bellísima común/Bella MapwingVentral view © Sergio Cusano

Stripe-backed Bittern
Ixobrychus involucris
Stripe-backed Bittern
18-01-15 © Elsa y Guillermo Marcaida
Stripe-backed Bittern
18-01-15 © Elsa y Guillermo Marcaida
Stripe-backed Bittern
18-01-15 © Elsa y Guillermo Marcaida
Stripe-backed Bittern
18-01-15 © Elsa y Guillermo Marcaida

White-banded Mockingbird
Mimus triurus
White-banded Mockingbird
17-01-15 © J. Simón Tagtachian
Unicolored Blackbird
Agelasticus cyanopus
Unicolored Blackbird
17-01-15 © Elsa y Guillermo Marcaida
Unicolored Blackbird
17-01-15 © Elsa y Guillermo Marcaida
Unicolored Blackbird
17-01-15 © Elsa y Guillermo Marcaida
White-eyed Parakeet
Psittacara leucophtalmus
White-eyed Parakeet
17-01-15 © J. Simón Tagtachian
Snail Kite
Rostrhamus sociabilis
Snail Kite
17-01-15 © J. Simón Tagtachian
Snowy Egret
Egretta thula
Snowy Egret
17-01-15 © J. Simón Tagtachian
Gray-necked Wood-Rail
Aramides cajaneus
Gray-necked Wood-Rail
17-01-15 © Elsa y Guillermo Marcaida
Streaked Flycatcher
Myiodynastes maculatus
Streaked Flycatcher
14-01-15 © Claudia y Diego Bastías
Some flowers
Pink pavonia
Pavonia hastata
pavonia CGL 12 14© Carlos González Ledo
Cow's foot
Bauhinia forficata
Pezuña de vaca - Bahuinia forficata (nativa)© Dolores Fernández

Passiflora morifolia
Passiflora morifolia© Sergio Cusano
Pope of the river
Stigmatophyllum littorale
Papa del río/Pope of the river© Sergio Cusano
Moon flower
Ipomoea alba
Dama de noche/Moon flower© Flor
Nasturtium
Tropaeolum majus
Taco de reina/Nasturtium© Sergio Cusano

Modiolastrum malvifolium
Malva rastrera/Modiolastrum malvifolium© Sergio Cusano
Light peach nightshade
Solanum malacoxylon
Varilla/Light peach nightshade© Dolores Fernández
Spanish broom
Spartium junceum
Retama/Spanish broom© Sergio Cusano
Purple wandering jew
Tradescantia pallida
Tradescantia púrpura/Purple wandering jew© Carlos González Ledo
Common moth vine
Araujia hortorum
Tasi/Common moth vine© Carlos González Ledo
Jerusalem thorn
Parkinsonia aculeata
Cina cina/Jerusalem thorn© Carlos González

Scrub Blackbird
Dives warszewiczi
Scrub Blackbird
16-01-15 © Cora Rimoldi

Pekin Duck
Anas platyrhynchos domesticus
pato-pekin-NGG-13-1-15

pato-pekin-NGG-13-1-15_1The pair lost their clutch. Eggs disappeared.
© Nicolás Giorgio

Limpkin
Aramus guarauna
Limpkin
14-01-15 © Nicolás Giorgio

With water up to the belly. It normally wades in shallow waters.

Limpkin
10-01-15 © J. Simón Tagtachian

The limpkin is ready to eat its favourite dish, the apple snail. Either visually or probing the mud limpkins look for them under the water. During the day snails stay submerged, that is why we do no see them. But we do find their empty shells piled in the "dining-rooms" or the clusters of eggs lying on vertical or bent surfaces, whether stems, walls or even on a bottleneck floating in the water.

Rosy-billed Pochard
Netta peposaca
Rosy-billed Pochard
14-01-15 © Nicolás Giorgio

Impressive number of ducklings in this family. fourteen, though there could be more. The rosy-billed pochard may lay 16 eggs or more. Many pochards have bred in the reserve, but this is the first time we can see such a number of chicks.

Striated Heron
Butorides striata
Striated Heron
11-01-15 © Carlos González Ledo
Striated Heron
11-01-15 © Carlos González Ledo
Striated Heron
14-01-15 © Nicolás Giorgio

More juveniles
Brown-chested Martin
Progne tapera
Brown-chested Martin
14-01-15 © Sergio Cusano
White-rumped Swallow
Tachycineta leucorrhoa
White-rumped Swallow
11-01-15 © J. Simón Tagtachian

Sitting on the wire the difference in size compared to the brown-chested martin (right) and the colour called our eye. The thrill they could be cliff swallows did not last long. A thorough look destroyed our expectations. They were juvenile white-rumped swallows.

Red-fronted Coot
Fulica rufifrons
Red-fronted Coot
14-01-15 © Sergio Cusano
Fulvous Whistling-Duck
Dendrocygna bicolor
Fulvous Whistling-Duck
10-01-15 © J. Simón Tagtachian
Black-and-rufous Warbling-Finch
Poospiza nigrorufa
Black-and-rufous Warbling-Finch
10-01-15 © J. Simón Tagtachian
Coscoroba Swan
Coscoroba coscoroba
Coscoroba Swan
13-01-15 © Nicolás Giorgio

The coscoroba swans of our case study are already grown


Two ibises at close range
Bare-faced Ibis
Phimosus infuscatus
Bare-faced Ibis
11-01-15 © J. Simón Tagtachian
These are the two ibis species with frequent records and mainly flying above the reserve. The legs and the flight formation are the characteristics to identify them. But here so near we understand why bare-faced. These two individuals have been around the reserve since last December
White-faced Ibis
Plegadis chihi
White-faced Ibis
14-01-15 © Nicolás Giorgio

Blue-and-yellow Tanager
Pipraeidea bonariensis
Blue-and-yellow Tanager
07-01-15 © J. Simón Tagtachian
Fork-tailed Flycatcher
Tyrannus savana
Fork-tailed Flycatcher
14-01-15 © Sergio Cusano
Limpkin
Aramus guarauna
Limpkin
11-01-15 © Elsa y Guillermo Marcaida
Great Egret
Ardea alba
Great Egret
11-01-15 © Elsa y Guillermo Marcaida

Showing the egrets, feathers which grow in the breeding season

Campo Flicker
Colaptes campestris
Campo Flicker
09-01-15 © Nicolás Giorgio
Brown-chested Martin
Progne tapera
Brown-chested Martin
08-01-15 © Claudia y Diego Bastías
Creamy-bellied Thrush
Turdus amaurochalinus
Creamy-bellied Thrush
07-01-15 © J. Simón Tagtachian
Rufescent Tiger-Heron
Tigrisoma lineatum
Rufescent Tiger-Heron
09-01-15 © Nicolás Giorgio
Chalk-browed Mockingbird
Mimus saturninus
Chalk-browed Mockingbird
07-01-15 © J. Simón Tagtachian
Glittering-bellied Emerald
Chlorostilbon lucidus
Glittering-bellied Emerald
07-01-15 © J. Simón Tagtachian

At cockspur tree Erithryna crista-galli


Pato Pekin
Anas platyrhynchos domesticus
Pato Pekin/Pekin DuckThe pair lost the clutch. Eggs disappeared
© Nicolás Giorgio

Silver Teal
Anas versicolor
Silver Teal
03-01-15 © Carlos González Ledo
Silver Teal
03-01-15 © Carlos González Ledo

This pair of Silver Teal swam past bobbing their heads and pecking at water in a very fluid dialog. With no further actions they moved on. The male is at the back. One clue is the lateral barred design of the flank which is linear, whereas that of the female is scaled. The other one are the bars on the tail, which are finer in the male than in the female.


Guira Cuckoo
Guira guira
Guira Cuckoo
08-01-15 © Flor A Modeo
Guira Cuckoo
08-01-15 © Flor A Modeo
Guira Cuckoo
08-01-15 © Flor A Modeo
Guira Cuckoo
08-01-15 © Flor A Modeo
Just in case I take it away

American Kestrel
Falco sparverius
American Kestrel
07-01-15 © J. Simón Tagtachian
Glittering-bellied Emerald
Chlorostilbon lucidus
Glittering-bellied Emerald
07-01-15 © J. Simón Tagtachian

Female lapping up tree tobacco Nicotiana glauca.

Coscoroba Swan
Coscoroba coscoroba
Coscoroba Swan
07-01-15 © J. Simón Tagtachian
Black-crowned Night-Heron
Nycticorax nycticorax
Black-crowned Night-Heron
07-01-15 © J. Simón Tagtachian
Tropical Kingbird
Tyrannus melancholicus
Tropical Kingbird
08-01-15 © Claudia y Diego Bastías
Roadside Hawk
Rupornis magnirostris
Roadside Hawk
02-01-15 © Nicolás Giorgio
Giant Wood-Rail
Aramides ypecaha
Giant Wood-Rail
09-01-15 © Flor A Modeo

Another one that likes bread


Greyish Baywing
Agelaioides badius
Greyish Baywing
03-01-15 © Carlos González Ledo
Greyish Baywing
03-01-15 © Carlos González Ledo

Brown-chested Martin
Progne tapera
Brown-chested Martin
03-01-15 © Carlos González Ledo
Brown-chested Martin
03-01-15 © Carlos González Ledo

I could not take any photos of the chicks since the parent always got into the Hornero's nest to feed them. However, it spied through the opening before leaving the nest. Almost worn out it took some rest on the watertank fence posts


Lake Duck
Oxyura vittata
Lake Duck
03-01-15 © Marcelo J. Canevari
Lake Duck
06-01-15 © Sergio Cusano
Double-collared Seedeater
Sporophila caerulescens
Double-collared Seedeater
06-01-15 © Sergio Cusano
Masked Gnatcatcher
Polioptila dumicola
Masked Gnatcatcher
05-01-15 © Claudia y Diego Bastías
Green-barred Woodpecker
Colaptes melanochloros
Green-barred Woodpecker
05-01-15 © Claudia y Diego Bastías

An interesting moment.....! A parent "teaching the son". During almost two minutes the parent literally chased it out since the juvenile kept following him.

Rosy-billed Pochard
Netta peposaca
Rosy-billed Pochard
03-01-15 © Carlos González Ledo

Several young male rosy-billed pochards can be seen in the pond. If one pays attention we'll see they are in different stages to become male adults. The bill is rosier and the head and neck are darker. And this individual has a wounded wing.

Shiny Cowbird
Molothrus bonariensis
Shiny Cowbird
05-01-15 © Claudia y Diego Bastías
Eared Dove
Zenaida auriculata
Eared Dove
06-01-15 © Sergio Cusano
Bare-faced Ibis
Phimosus infuscatus
Bare-faced Ibis
04-01-15 © Carlos González Ledo

There are both white-faced and bare-faced Ibises. Let's revise the rule: legs extending beyond the tail - white-faced ibis and legs not extending beyond the tail - bare-faced ibises

White-winged Becard
Pachyramphus polychopterus
White-winged Becard
04-01-15 © Carlos González Ledo
Bare-faced Ibis
Phimosus infuscatus
Bare-faced Ibis
06-01-15 © Sergio Cusano
Spot-flanked Gallinule
Gallinula melanops
Spot-flanked Gallinule
06-01-15 © Sergio Cusano

Pekin duck
Anas platyrhynchos domesticus
Pato Pekin/Pekin DuckThe pekin duck with the spotted bill, one of the first individuals is still alone.
© Nicolás Giorgio
Pato Pekin/Pekin DuckAnd this one which had a mate is alone, too
© Nicolás Giorgio

Peregrine Falcon
Falco peregrinus
Peregrine Falcon
02-01-15 © Diego Carús

Lake Duck
Oxyura vittata
Lake Duck
03-01-15 © Elsa y Guillermo Marcaida
Lake Duck
03-01-15 © Rodolfo Pani

With a rosy-billed pochard on the right

Lake Duck
03-01-15 © Rodolfo Pani
Lake Duck
03-01-15 © Rodolfo Pani
Absent during 2014 the Lake Duck came back to the pond. It feeds diving into water and can stay submerged for a while. The position of its legs is farther at the back, which makes it a good diver but a poor walker. It has a stiff tail which is normally kept erect when at rest. The underparts are whitish and there are no marks on the wings. Its light blue bill and its black hood may lead us to mistake it for the Masked Duck, which has recently appeared in the pond, too.

Striped Owl
Pseudoscops clamator
Striped Owl
03-01-15 © Amelia Besana
Striped Owl
03-01-15 © Elsa y Guillermo Marcaida
Striped Owl
03-01-15 © Silvia Loiacono
Spotted by Amelia everybody seized the opportunity

Gray-breasted Martin
Progne chalybea
Gray-breasted Martin
02-01-15 © Sergio Cusano
White-tufted Grebe
Rollandia rolland
White-tufted Grebe
02-01-15 © Sergio Cusano

First group since water is back in the pond

White-tufted Grebe
02-01-15 © Gustavo F. Brahamian

Periscope grebe

White-winged Coot
Fulica leucoptera
White-winged Coot
02-01-15 © Sergio Cusano

Before the drought the three coot species were very abundant. The drought wiped them from the reserve. As ponds were filled with water they came back but with ups and downs. This is the first large group we see. Most of them are White-winged Coots but for a couple which seem to be Red-gartered Coots

Streaked Flycatcher
Myiodynastes maculatus
Streaked Flycatcher
03-01-15 © Amelia Besana

Adult and juvenile

Bran-colored Flycatcher
Myiophobus fasciatus
Bran-colored Flycatcher
03-01-15 © Silvia Loiacono
Yellow-browed Tyrant
Satrapa icterophrys
Yellow-browed Tyrant
03-01-15 © Rodolfo Pani
Green-winged Saltator
Saltator similis
Green-winged Saltator
02-01-15 © Sergio Cusano
Masked Gnatcatcher
Polioptila dumicola
Masked Gnatcatcher
02-01-15 © Gustavo F. Brahamian
Blue-and-yellow Tanager
Pipraeidea bonariensis
Blue-and-yellow Tanager
02-01-15 © Gustavo F. Brahamian
Masked Yellowthroat
Geothlypis aequinoctialis
Masked Yellowthroat
03-01-15 © Elsa y Guillermo Marcaida
Yellow-billed Cardinal
Paroaria capitata
Yellow-billed Cardinal
02-01-15 © Gustavo F. Brahamian
Ringed Teal
Callonetta leucophrys
Ringed Teal
02-01-15 © Sergio Cusano