Winifred Austen - Bird Series 1307
The Mallard - "Anas platyrncha." Best known of the wild ducks. To be seen in large numbers in winter when it gets to the river estuaries. In June the drake goes into what is called the "Eclipse" or "Female" plumage, changing back about October. It nests in bents or reeds and 8 to 14 pale green or olive white eggs are laid. Length, 23"