Like the other members of the pochard group, hardheads feed by diving deeply, often staying submerged for as long as a minute at a time.
42.
The South American pochard has a fragmented range and is found from Colombia, Venezuela, Brazil, Ecuador, Peru, Bolivia and Argentina to Chile.
43.
The Tranquera Reservoir and Gallocanta Lagoon create marsh land, which are home to mallards, ducks, pochard, coots, teal, herons and cormorants.
44.
Kumarkhunti reservoir, during winter, serve as transient roosting and feeding ground for several migratory duck species, notably, garganey and common teal, pochard.
45.
Kumarkhunti reservoir, in winter, serves as transient roosting and feeding ground for several migratory duck species, notably, garganey and common teal, pochard.
46.
For example, between 27000 and 62000 ducks, mostly tufted duck and common pochard, starved to death during a very cold winter in March 1986.
47.
Greater numbers of ducks, including pochard and tufted ducks, now wintered nearby and there was a greater profusion of wild flowers and marsh flora including orchids.
48.
A lake has formed in the bottom of the quarry, attracting birds including green sandpiper, jack snipe, little grebe and common pochard to overwinter there.
49.
It is a large open body of water and supports a large number of wintering wildfowl, including wigeon, red-crested pochard, pochard and tufted duck.
50.
It is a large open body of water and supports a large number of wintering wildfowl, including wigeon, red-crested pochard, pochard and tufted duck.
