Reserva Ecológica Costanera Sur

Sitio realizado por aficionados a la observación de aves desde 10 de enero 2006

Blue-black Grassquit - Volatinia jacarina

Order: Passeriformes (Oscines) - Family: Thraupidae Status: Summer Resident. Habitat: Bushland

All records since January 2014
© Norberto Oste © Norberto Oste

© Norberto Oste

Adult male
Volatinero/Blue-black Grassquit© Jorge García Vicente
Shiny bluish-black. Dark brown wings. Black tail. White shoulders and underwing coverts
Volatinero/Blue-black Grassquit© Norberto Oste
Volatinero/Blue-black Grassquit© J. Simón Tagtachian
Performas vertical flights vocalizing and falling on to the same perch
Adult female
Volatinero H/Blue-black Grassquit F© Martín Ferrari
Brown back. Ochraceous underparts. Breast streaked brown. Brown tail. Faint white eye-ring
Volatinero J/Blue-black Grassquit J© Claudia y Diego Bastías
Volatinero/Blue-black Grassquit© Pablo Alberto Meoniz
Volatinero/Blue-black Grassquit© Amelia Besana
Volatinero J/Blue-black Grassquit J© Claudia y Diego Bastías
On May 19th Diego photgraphed this bird on Canal Viamonte Path where the lantanas are the meeting point for butterflies. There it was feeding on moths. The bill did not fit for a small bird usually seen in Costanera. He consulted Jorge La Grotteria and Luis Pagano who coincided that this was a juvenile Blue-black Grassquit. This young may have not migrated back to the north. This species comes to the south to reproduce and at that time it is found in the center and north of the country till the Provincia de Buenos Aires.
Male and female look quite different. The male is shiny bluish black and the female is brown, generally speaking. It is typical of this bird to jump up from its perch showing its white axillaries and underwing coverts.
Jorge told us that a register of this bird had been sent to his web site This female was photographed on April 11th by Martín Ferrari, whom we thank for letting us share it here. Ideal to see the characteristics of a female. Brown at the back and buff below with heavy streaks. Weak eyering.
Volatinero H/Blue-black Grassquit F© Martín Ferrari
More photographic records since January 2013
Previous records
Volatinero/Blue-black Grassquit12-2009 © Amelia Besana Volatinero/Blue-black Grassquit1-2007 © Hugo Hulsberg
Volatinero/Blue-black Grassquit1-2007 © Jorge García Vicente Volatinero/Blue-black Grassquit12-2006 © Pablo Manuel Fernández
Volatinero/Blue-black Grassquit2-2006 © Norberto Oste Volatinero/Blue-black Grassquit1-2006 © Alberto Gurni
Volatinero/Blue-black Grassquit10-2005 © Pablo Alberto Meoniz Volatinero/Blue-black Grassquit10-2005 © Pablo Alberto Meoniz