Notes:
social goose-like ducks with rather llong legs and upright posture; graze on grasslands or by tippingup in shallow ponds; call constantly when in flight.
pair (Panama; 2008-05-24)
large white wing patches in flight (Panama; 2008-06-06)
statuesque (Panama; 2008-05-28)
pair (Texas, USA; 2006-04-08)
pinkish bill and feet (Panama; 2008-06-06)
pair, dorsal view (Panama; 2008-06-06)
pair in flight (Texas, USA; 2006-04-04)
flock (Mexico; 2011-03-13)
larger flock (Mexico; 2011-03-13)
head portrait (Arizona Zoo, USA; 2012-04-29)
flock in flight; note the white wing patches (Costa Rica; 2008-11-08)