Shiny Cowbird – Molothrus bonariensis

Order: Passeriformes (Oscines) – Family: Icteridae
Status: Resident – Common – Breeder. Habitat: Bushland and embankments

Sounds
14 seconds – 88 kb © José L. Merlo	10 seconds – 63 kb © José L. Merlo	9 seconds – 60 kb © José L. Merlo

Adult Male
8-2006 © Hugo Hulsberg	Black. Purple gloss. Dark iris 6-2006 © Jorge García V.	10-2004 © Cristian Bannier

Adult Male

8-2006 © Hugo Hulsberg

Black. Purple gloss. Dark iris
6-2006 © Jorge García V.

10-2004 © Cristian Bannier

Adult Female
Brownish-gray 7-2006 © Jorge García V.	11-2006 © Hugo Hulsberg	Case of leucism 8-2007 © Roberto Ares

Adult Female

Brownish-gray
7-2006 © Jorge García V.

Parasitized Species
Black-and-rufous Warbling-Finch Poospiza nigrorufa 12-2004 © Jorge García V.	Black-and-rufous Warbling-Finch Poospiza nigrorufa 12-2005 © Roberto Ares
Yellow-winged Blackbird Agelasticus thilius 12-2004 © Jorge García V.
Masked Yellowthroat Geothlypis aequinoctialis 1-2005 © Carlos Ferrari	Masked Yellowthroat Geothlypis aequinoctialis 1-2006 © Carlos Ferrari	Masked Yellowthroat Geothlypis aequinoctialis 1-2012 © J. Simón Tagtachian
Rufous-collared Sparrow Zonotrichia capensis 1-2005 © Hugo Hulsberg
Chalk-browed Mockingbird Mimus saturninus 12-2005 © Jorge García V.	Chalk-browed Mockingbird Mimus saturninus 12-2010 © Mirta Ragonesi
Black-capped Warbling-Finch Poospiza melanoleuca 1-2007 © Jorge García V.
Sooty Spinetail Synallaxis frontalis 1-2008 © Jorge García V.
Rufous Hornero Furnarius rufus 11-2009 © C. y T. Di Mauro
Wren House Troglodytes aedon 11-2010 © Roberto Ares