Reserva Ecológica Costanera Sur

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

Black-headed Duck - Heteronetta atricapilla

Order: Anseriformes - Family: Anatidae Status: Resident - Frequent. Habitat: Ponds and marshes

All records since January 2014
Adult Male
Pato cabeza negra/Black-headed Duck© J. Simón Tagtachian
Black hood. Grayish bill with red basal spot. Upperparts dark brown. Cinnamon underparts
Pato cabeza negra/Black-headed Duck23 10 09 © Pablo Alberto Meoniz
Lacks speculum. White underwing coverts. White rear edge
Adult Female
Pato cabeza negra/Black-headed Duck7 06 © Roberto Ares
Paler colouration. Bill brownish grey. Eyebrow and throat whitish
Pato cabeza negra/Black-headed Duck23 10 09 © Pablo Alberto Meoniz
Lacks speculum. White underwing coverts. White rear edge
Breeding
Pato cabeza negra/Black-headed duck24 11 07 © Hugo Hulsberg
The Black-headed Duck is the only brood parasitic duck. This duckling was found at the edge of the road. It was thought to be a Balck-headed Duckling since the plumage did not correspond with any duckling at the reserve.
Group
Pato cabeza negra/Black-headed Duck6 10 06 © Roberto Ares
More photographic records since January 2013