News - November 2014

Summer birds With the arrival of the Vermilion Flycatcher comes the list of Summer Birds. And the Cliff Swallow has also been added to the list as it is a boreal migrant
Atypical Duck Sirirí atípico/Atypical Whistling-Duck© Walter Gómez Umpiérrez Sirirí atípico/Atypical Whistling-Duck© Walter Gómez Umpiérrez We add two photos of the aytpical duck which briefly visited the reserve.
Pencil plant
Euphoriba tirucalli
Árbol dedo/Pencil plant© Dolores Fernández
Árbol dedo/Pencil plant© Dolores Fernández
This exotic plat has an unmistakable aspect. It looks like fingers of a hand. Leaves are difficult to see since they are very little and last a short time. The "fingers" are stems which photosintethize.
This plant belong to the Euphorbiaceae, a family which typically produces a white latex when cut. This plant's sap is very irritating and toxic. So, be careful. This plant is located at the former Covimet area. It was detected by Manlio who told us about these characteristics.

Wren-like Rushbird
Phleocryptes melanops
Wren-like Rushbird
29-11-14 © J. Simón Tagtachian

Great Kiskadee
Pitangus sulphuratus
Benteveo común/Great KiskadeeAnother Great Kiskadee playing/exploring on a car near Viamonte Access. See more photos © Eduardo Carreyra

Snail Kite
Rostrhamus sociabilis
Snail Kite
29-11-14 © J. Simón Tagtachian
Rufous-sided Crake
Laterallus melanophaius
Rufous-sided Crake
29-11-14 © J. Simón Tagtachian
White-winged Becard
Pachyramphus polychopterus
White-winged Becard
29-11-14 © J. Simón Tagtachian
Checkered Woodpecker
Veniliornis mixtus
Checkered Woodpecker
29-11-14 © J. Simón Tagtachian
Fulvous Whistling-Duck
Dendrocygna bicolor
Fulvous Whistling-Duck
29-11-14 © J. Simón Tagtachian
Glaucous-blue Grosbeak
Cyanoloxia glaucocaerulea
Glaucous-blue Grosbeak
15-11-14 © Hugo Aguilar
Long-tailed Reed Finch
Donacospiza albifrons
Long-tailed Reed Finch
15-11-14 © Hugo Aguilar
Black-headed Duck
Heteronetta atricapilla
Black-headed Duck
24-11-14 © Hugo Aguilar
Black-headed Duck
24-11-14 © Hugo Aguilar
Streaked Flycatcher
Myiodynastes maculatus
Streaked Flycatcher
24-11-14 © Hugo Aguilar

Nesting in a tipu tree

Streaked Flycatcher
24-11-14 © Hugo Aguilar

Nesting in a tipu tree

White-browed Blackbird
Sturnella superciliaris
White-browed Blackbird
15-11-14 © Hugo Aguilar
Fork-tailed Flycatcher
Tyrannus savana
Fork-tailed Flycatcher
15-11-14 © Hugo Aguilar
Picui Ground Dove
Columbina picui
Picui Ground Dove
15-11-14 © Hugo Aguilar
Cocoi Heron
Ardea cocoi
Cocoi Heron
15-11-14 © Hugo Aguilar
Pied-billed Grebe
Podilymbus podiceps
Pied-billed Grebe
24-11-14 © Hugo Aguilar
Roadside Hawk
Rupornis magnirostris
Roadside Hawk
13-11-14 © Hugo Aguilar

Side-necked Turtle
Phrynops hilarii
Tortuga de laguna/Side-necked Turtle © Sergio Cusano
Painted turtle
Trachemys scripta dorbignyi
Tortuga pintada/Painted turtle© Francisco González Táboas
Tortuga pintada/Painted turtle© Nicolás Giorgio
Black-and-white Tegu Lizard
Tupinambus teguixin
Lagarto overo/Black-and-white Tegu Lizard © Sergio Cusano
Views of the Coypu Pond vistas obras2 NGG 11 14 © Nicolás Giorgio

vistas obras1 SAC 11 14© Sergio Cusano

vistas obras SAC 11 14© Sergio Cusano

vistas obras1 NGG 11 14 © Nicolás Giorgio
Some flowers
Longflower evening primrose
Oenothera affinis
Flor de la oración/Longflower evening primrose© Carlos Gónzalez Ledo
Pink powderpuff
Calliandra sp.
plumerillo rosado/Pink powderpuff© Carlos Gónzalez Ledo
Striped rosemallow
Hibiscus cisplatinus
Rosa de río/Striped rosemallow© Carlos González Ledo
Blue anise sage
Salvia guaranitica
Salvia azul/Blue anise sage© Carlos González Ledo
Coypu
Myocastor coypus
Coipo/CoypuAnd a little coypu appeared © Claudia y Diego Bastías
Some butterflies
Mexican Silverspot
Dione moneta
Moneta/Mexican Silverspot© Sergio Cusano
Mexican Silverspot
Dione moneta
Moneta/Mexican Silverspot© Sergio Cusano
Tropical White
Glutophrissa drusilla
Nacarada/Tropical White© Carlos González Ledo
Tailed Sulphur
Phoebis neocypris
Azufrada coluda/Tailed Sulphur© Sergio Cusano
Celmis Satyr
Ypthimoides celmis
Marrón del pastizal/Celmis Satyr© Sergio Cusano
Common Yellow
Eurema Deva
Limoncito común/Common Yellow© Sergio Cusano
Bella Mapwing
Hypanartia bella
Bellísima común/Bella Mapwing© Sergio Cusano
Southern Buckeye
Junonia genoveva hilaris
Cuatro ojos común/Southern Buckeye© Sergio Cusano
Southamerican Lady
Vanessa braziliensis
Dama pintada/Southamerican Lady© Sergio Cusano
Lyssipoides Metalmark
Riodina lyssipoides
Danzarina chica/Lyssipoides Metalmark© Sergio Cusano
Monarch
Danaus erippus
Monarca/Monarch© Sergio Cusano
Lazy
Actinote sp
Perezosa sp/Lazy sp© Sergio Cusano

Black-headed Duck
Heteronetta atricapilla
Black-headed Duck
29-11-14 © Alec Earnshaw
Masked Duck
Nomonyx dominicus
Masked Duck
28-11-14 © Alec Earnshaw

Alec tells us that on Friday 28th he spotted at least 5 individuals. The male in the photo was at the northern end of the Coypu Pond. Then he saw a female a 100 m to the south (though shy she kept hidden in the vegetation). And some 200 or 300 m farther to the south there were other 3 males in the cattail clear, sort of path cut in the direction of the river coast.

Suiriri Flycatcher
Suiriri suiriri
Suiriri Flycatcher
16-11-14 © Carlos González Ledo
Suiriri Flycatcher
16-11-14 © Carlos González Ledo
Saffron Finch
Sicalis flaveola
Saffron Finch
29-11-14 © Sergio Cusano
Creamy-bellied Thrush
Turdus amaurochalinus
Creamy-bellied Thrush
29-11-14 © Sergio Cusano
Ringed Teal
Callonetta leucophrys
Ringed Teal
29-11-14 © Sergio Cusano

Seen from the breakwater

Green-barred Woodpecker
Colaptes melanochloros
Green-barred Woodpecker
29-11-14 © Sergio Cusano
Neotropic Cormorant
Phalacrocorax brasilianus
Neotropic Cormorant
26-11-14 © Nicolás Giorgio
Silver Teal
Anas versicolor
Silver Teal
29-11-14 © Sergio Cusano

The reserve seen from the plane Vista aérea/Aerial view© Gustavo F. Brahamian

Common Gallinule
Gallinula galeata
Common Gallinule
01-11-14 © Astrid Wessels
Greyish Baywing
Agelaioides badius
Greyish Baywing
26-11-14 © Nicolás Giorgio
White-faced Whistling-Duck
Dendrocygna viduata
White-faced Whistling-Duck
26-11-14 © Nicolás Giorgio
Great Kiskadee
Pitangus sulphuratus
Great Kiskadee
26-11-14 © Nicolás Giorgio

Pekin Duck
Anas platyrhynchos domesticus
Pato Pekin/Pekin Duck Pato Pekin/Pekin DuckWe had already seen the duck with the stained bill. The pair below is new
© Nicolás Giorgio
Views of the Coypu Pond obras1 GFB 11 14 obras2 GFB 11 14 obras4 GFB 11 14© Gustavo F. Brahamian
Coscoroba Swan
Coscoroba coscoroba
14 08 21 coscoroba1 RPG© Rodolfo Pani
We have been following coscoroba swans born in the reserve. Here the first series showing how they have been growing. If anyone has photos which may add information, please send them to complete the development cycle.

Limpkin
Aramus guarauna
18-04-15 © Elsa y Guillermo Marcaida

Not being able to fly still, swimming is another option in case of need 

Limpkin
22-11-14 © J. Simón Tagtachian
The Limpkin was an emblematic bird in the reserve while its favourite food, apple snails, grew abundantly. By 2000 waters of the pond got became salty enough for these snails to disappear since they are freshwater snails. So did the limpkin which became an occasional visitor. With fresh water back in the ponds apple snails repopulated the pond and today the limpkin seems settled. Up to 6 limpkins were seen at the Coypu Pond.
The limpkin feeds in shallow waters visually by searching the snails which are under the water. Here the limpkin has already got one in its bill. We can only see the shell since the animal hides inside it and closes the opening of the shell with a plaque called operculum as if it were a door. In this way it is safe from predators.
To take the animal out of the shell the limpkin pecks vigorously at the shell to make a hole. With the operculum removed it can get to the fleshy part. It tears it off wthe muscle to which it is connected with strong shakes

Purple Gallinule
Porphyrio martinicus
Purple Gallinule
26-11-14 © Claudia y Diego Bastías
Unicolored Blackbird
Agelasticus cyanopus
Unicolored Blackbird
22-11-14 © J. Simón Tagtachian
White-eyed Parakeet
Psittacara leucophtalmus
White-eyed Parakeet
22-11-14 © J. Simón Tagtachian
Great Egret
Ardea alba
Great Egret
22-11-14 © J. Simón Tagtachian

Behind snowy egret

White-faced Ibis
Plegadis chihi
White-faced Ibis
22-11-14 © J. Simón Tagtachian

Common Gallinule
Gallinula galeata

A sequence of photos of a scene I witnessed at Coypu Pond of Reserva Ecológica Costanera Sur (RECS), en la Ciudad de Buenos Aires, Argentina. I do not know if a turtle or another animal tried to catch the chick from below and the adult went to rescue it. Everything began with the common gallinule running on water towards some bubbles where the chick appeared.
Photos and edition © Gustavo Fernando Brahamian

Reopening of the Espigón Plus Ultra plus1 © J. Simón Tagtachian
The former splendorous promenade is again part of the reserve. Read article

Dark-billed Cuckoo
Coccyzus melacoryphus
Dark-billed Cuckoo
25-11-14 © Claudia y Diego Bastías
White-faced Whistling-Duck
Dendrocygna viduata
White-faced Whistling-Duck
25-11-14 © Claudia y Diego Bastías
Masked Duck
Nomonyx dominicus
25-11-14 © Claudia y Diego Bastías
A very evasive male

Masked Duck
Nomonyx dominicus
Masked Duck
24-11-14 © Eduardo Soriano Grandes
Striated Heron
Butorides striata
Striated Heron
24-11-14 © Elsa y Guillermo Marcaida
Black-crowned Night-Heron
Nycticorax nycticorax
Black-crowned Night-Heron
22-11-14 © Gustavo F. Brahamian
Great Pampa-Finch
Embernagra platensis
Great Pampa-Finch
24-11-14 © Elsa y Guillermo Marcaida
Rosy-billed Pochard
Netta peposaca
Rosy-billed Pochard
22-11-14 © Gustavo F. Brahamian
White-winged Coot
Fulica leucoptera
White-winged Coot
24-11-14 © Elsa y Guillermo Marcaida
Red-gartered Coot
Fulica armillata
Red-gartered Coot
24-11-14 © Elsa y Guillermo Marcaida
Coscoroba Swan
Coscoroba coscoroba
Coscoroba Swan
22-11-14 © Gustavo F. Brahamian

White-faced Whistling-Duck
Dendrocygna viduata
22-11-14 © Cora Rimoldi
Family

Purple Gallinule
Porphyrio martinicus
Purple Gallinule
22-11-14 © J. Simón Tagtachian
Purple Gallinule
22-11-14 © J. Simón Tagtachian
Masked Duck
Nomonyx dominicus
Masked Duck
22-11-14 © J. Simón Tagtachian

In eclipse plumage

Blue-and-yellow Tanager
Pipraeidea bonariensis
Blue-and-yellow Tanager
14-11-14 © Gustavo F. Brahamian
White-browed Blackbird
Sturnella superciliaris
White-browed Blackbird
21-11-14 © Claudia y Diego Bastías
Yellow-billed Cardinal
Paroaria capitata
Yellow-billed Cardinal
21-11-14 © Claudia y Diego Bastías
Eared Dove
Zenaida auriculata
Eared Dove
18-11-14 © Claudia y Diego Bastías
Rufous-collared Sparrow
Zonotrichia capensis
Rufous-collared Sparrow
21-11-14 © Claudia y Diego Bastías
Wattled Jacana
Jacana jacana
Wattled Jacana
05-11-14 © Claudia y Diego Bastías

Streaked Flycatcher
Myiodynastes maculatus
Streaked Flycatcher
10-11-14 © Nicolás Giorgio

In a tipu tree outside the reserve

Streaked Flycatcher
10-11-14 © Nicolás Giorgio

In a tipu tree outside the reserve

Streaked Flycatcher
10-11-14 © Nicolás Giorgio

In a tipu tree outside the reserve

Campo Flicker
Colaptes campestris
Campo Flicker
18-11-14 © J. Simón Tagtachian
Silver Teal
Anas versicolor
Silver Teal
18-11-14 © Nicolás Giorgio
Rosy-billed Pochard
Netta peposaca
Rosy-billed Pochard
18-11-14 © J. Simón Tagtachian
Common Gallinule
Gallinula galeata
Common Gallinule
18-11-14 © J. Simón Tagtachian
Picui Ground Dove
Columbina picui
Picui Ground Dove
15-11-14 © J. Simón Tagtachian
Bare-faced Ibis
Phimosus infuscatus
Bare-faced Ibis
15-11-14 © J. Simón Tagtachian

Crowned Slaty Flycatcher
Empidonomus aurantioatrocristatus
Crowned Slaty Flycatcher
15-11-14 © Laura Dodyk

Seen at the Willow Path

Crowned Slaty Flycatcher
15-11-14 © Laura Dodyk

Seen at the Willow Path

Yellow-browed Tyrant
Satrapa icterophrys
Yellow-browed Tyrant
16-11-14 © Carlos González Ledo
Red-eyed Vireo
Vireo olivaceus
Red-eyed Vireo
16-11-14 © Carlos González Ledo

Pato atípico Hybrid duck/Pato híbridoSergio encontró entre sus fotos un pato híbrido que se había visto en Costanera. Leer artículo © Sergio Cusano



Swainson's Flycatcher
Myiarchus swainsoni
Swainson's Flycatcher
12-11-14 © Claudia y Diego Bastías
Spot-winged Pigeon
Patagioenas maculosa
Spot-winged Pigeon
12-11-14 © Claudia y Diego Bastías
Black-backed Water-Tyrant
Fluvicola albiventer
Black-backed Water-Tyrant
12-11-14 © Claudia y Diego Bastías
Green-barred Woodpecker
Colaptes melanochloros
Green-barred Woodpecker
12-11-14 © Claudia y Diego Bastías

Eurytulus Scrub-Hairstreak
Phoebis neocyrpis
Frotadora común/Eurytulus Scrub-Hairstreak© Sergio Cusano
Russula Metalmark
Emessis russula
Acróbata rojiza/Russula Metalmark© Nicolás Giorgio
Celmis Satyr
Ypthimoides celmis
Marrón del pastizal/Celmis Satyr© Sergio Cusano
Gulf Fritillary
Agraulis vanillae maculosa
Espejitos/Gulf Fritillary© Sergio Cusano
Works at Coypu Pond Obras/Works Obras/Works Obras/Works Obras/Works Obras/WorksTwo statues placed on the sidewalk near the Brasil Access.
Fotos © Sergio Cusano
New reptile species: Etheridge's Lava Lizard
Tropidurus etheridgei
Lagarto trpador chaqueño/Etheridge's Lava Lizard© Favio Gustavo Belotto
Lagarto trpador chaqueño/Etheridge's Lava Lizard© Favio Gustavo Belotto
Lagarto trpador chaqueño/Etheridge's Lava Lizard© Sergio Cusano
This lizard is not native to this area. The know distribution reaches the Province of Corrientes. It is believed to have been released.
Herbert's Iris
Herbertia lahue
Tres puntas/Herbert's Iris© Astrid Wessels
Native. This herb grows from a bulb. The flower is solitary and lasts one day. It grows where grass is short and stands 20 cm above ground.
Creole Frog
Leptodactylus latrans
Rana criolla/Creole Frog© Sergio Cusano

Masked Duck
Nomonyx dominicus
Masked Duck
15-11-14 © J. Simón Tagtachian
Scrub Blackbird
Dives warszewiczi
Scrub Blackbird
15-11-14 © Dolores Fernández
White-browed Blackbird
Sturnella superciliaris
White-browed Blackbird
15-11-14 © Elsa y Guillermo Marcaida
Red-fronted Coot
Fulica rufifrons
Red-fronted Coot
15-11-14 © Dolores Fernández
Bare-faced Ibis
Phimosus infuscatus
Bare-faced Ibis
15-11-14 © Sergio Cusano
Screaming Cowbird
Molothrus rufoaxillaris
Screaming Cowbird
15-11-14 © Dolores Fernández
Gilded Hummingbird
Hylocharis chrysura
Gilded Hummingbird
15-11-14 © Dolores Fernández
Tropical Kingbird
Tyrannus melancholicus
Tropical Kingbird
15-11-14 © Elsa y Guillermo Marcaida
Rufescent Tiger-Heron
Tigrisoma lineatum
Rufescent Tiger-Heron
15-11-14 © Elsa y Guillermo Marcaida
Bran-colored Flycatcher
Myiophobus fasciatus
Bran-colored Flycatcher
15-11-14 © Dolores Fernández

Brown-chested Martin
Progne tapera
Brown-chested Martin
15-11-14 © Sergio Cusano
Streaked Flycatcher
Myiodynastes maculatus
Streaked Flycatcher
15-11-14 © Elsa y Guillermo Marcaida
Yellow-billed Cardinal
Paroaria capitata
Yellow-billed Cardinal
15-11-14 © Sergio Cusano
Double-collared Seedeater
Sporophila caerulescens
Double-collared Seedeater
15-11-14 © Sergio Cusano
Cattle Tyrant
Machetornis rixosa
Cattle Tyrant
15-11-14 © Sergio Cusano
Red-crested Cardinal
Paroaria coronata
Red-crested Cardinal
15-11-14 © Gustavo F. Brahamian
White-barred Piculet
Picumnus cirratus
White-barred Piculet
11-11-14 © Claudia y Diego Bastías

And the male came at last. Diego had already spotted it but this time he adds the photo. Seen in some cockspur treed near the meeting point

Grassland Yellow-Finch
Sicalis luteola
Grassland Yellow-Finch
06-11-14 © Claudia y Diego Bastías
Black-backed Water-Tyrant
Fluvicola albiventer
Black-backed Water-Tyrant
08-11-14 © Astrid Wessels

Nidos
Small-billed Elaenia
Elaenia parvirostris
Small-billed Elaenia
06-11-14 © Claudia y Diego Bastías
Black-backed Water-Tyrant
Fluvicola albiventer
Black-backed Water-Tyrant
08-11-14 © Astrid Wessels
Hooded Siskin
Spinus magellanicus
Hooded Siskin
08-11-14 © Victoria Mansilla
Masked Gnatcatcher
Polioptila dumicola
Masked Gnatcatcher
08-11-14 © Victoria Mansilla
Masked Gnatcatcher
08-11-14 © Victoria Mansilla

Last details

Solitary Black Cacique
Cacicus solitarius
Solitary Black Cacique
08-11-14 © Cora Rimoldi
Rufous-bellied Thrush
Turdus rufiventris
Rufous-bellied Thrush
08-11-14 © Cora Rimoldi
Chalk-browed Mockingbird
Mimus saturninus
Chalk-browed Mockingbird
10-11-14 © Cora Rimoldi

Fork-tailed Flycatcher
Tyrannus savana
Fork-tailed Flycatcher
07-11-14 © Claudia y Diego Bastías
European Starling
Sturnus vulgaris
European Starling
07-11-14 © Claudia y Diego Bastías
Black-and-rufous Warbling-Finch
Poospiza nigrorufa
Black-and-rufous Warbling-Finch
08-11-14 © Victoria Mansilla

Juvenile eating white mulberry

Picazuro Pigeon
Patagioenas picazuro
Picazuro Pigeon
08-11-14 © Victoria Mansilla
Yellow-billed Teal
Anas flavirostris
Yellow-billed Teal
08-11-14 © Victoria Mansilla
White-tufted Grebe
Rollandia rolland
White-tufted Grebe
04-11-14 © Sergio Cusano
Pied-billed Grebe
Podilymbus podiceps
Pied-billed Grebe
04-11-14 © Sergio Cusano
Limpkin
Aramus guarauna
Limpkin
04-11-14 © Sergio Cusano

Double-collared Seedeater
Sporophila caerulescens
Double-collared Seedeater
01-11-14 © Nicolás Giorgio
Solitary Black Cacique
Cacicus solitarius
Solitary Black Cacique
01-11-14 © Nicolás Giorgio
White-rumped Swallow
Tachycineta leucorrhoa
White-rumped Swallow
01-11-14 © J. Simón Tagtachian

9 individuals

Dark-billed Cuckoo
Coccyzus melacoryphus
Dark-billed Cuckoo
01-11-14 © J. Simón Tagtachian
White-winged Becard
Pachyramphus polychopterus
White-winged Becard
01-11-14 © Astrid Wessels
Common Gallinule
Gallinula galeata
Common Gallinule
01-11-14 © Astrid Wessels
Common Gallinule
01-11-14 © J. Simón Tagtachian
Common Gallinule
Gallinula galeata
Common Gallinule
01-12-13 © J. Simón Tagtachian
White-tufted Grebe
Rollandia rolland
White-tufted Grebe
01-11-14 © J. Simón Tagtachian
Yellow-billed Teal
Anas flavirostris
Yellow-billed Teal
01-11-14 © J. Simón Tagtachian
Scarlet-headed Blackbird
Amblyramphus holosericeus
Scarlet-headed Blackbird
01-11-14 © J. Simón Tagtachian
Glittering-bellied Emerald
Chlorostilbon lucidus
Glittering-bellied Emerald
01-11-14 © J. Simón Tagtachian

Female at tree tobacco Nicotiana glauca

Whistling Heron
Syrigma sibilatrix
Whistling Heron
01-11-14 © J. Simón Tagtachian





November 1st Sudestada On November 1st there was sudestada (heavy winds which when combined with rain flood coastal areas). The reserve opened at 9 but closed some time after due to bad climatic conditions. It was not raining, but winds were heavy. We walked to the Canal Carlota Roberts (former Canal Sudeste) and found the tide was in and very high and waves broke strongly against the coast. Interesting how tidily the river left the rubbish back on the coast.
© Cora Rimoldi