Order: Anseriformes - Family: Anatidae
Habitat: Ponds

All records since January 2014

Adult Male
17 8 15 © Elsa y Guillermo Black hood. Reddish chestnut body. Light blue bill 27 1 15 © Sergio cusano It belongs to the Stiff-tailed Ducks 3 1 15 © Rodolfo Pani No marks on wings 4 8 06 © Roberto Ares After breeding season plumage is similar to that of female 30 7 06 © Roberto Ares

Adult Female
17 8 15 © Sergio Cusano Brown. Lacks hood. Conspicuous subocular white line.

Pairs and groups
17 8 15 © Sergio Cusano 17 8 15 © J. Simón Tagtachian
18 9 04 © Roberto Ares In group in winter. Here along with a Masked Duck female (bottom left)

Breeding
20 3 10 © Roberto Ares Family which came and stayed only a couple of days

Differences between two stiff-tailed ducks

More photographic records since January 2013