Coscoroba Swan

The Coscoroba (Coscoroba coscoroba) is not considered a true swan, it's philogenetic position is not fully defined. It has characteristics of geese and swans.
Nevertheless, it's a very attractive bird that uses our salinas (brakish ponds) as wading grounds. The name derives from their typical call (listen here).
Coscorobas breed from Tierra del Fuego to central Argentina and migrate north up to the Southern Pantanal, where they are rarely seen like this group (11/11/2009) ...