Mallard
Anas platyrhynchos
Length 50-65cm

Widespread and familiar duck. Colourful male (A) has yellow bill and green, shiny head and neck separated from chestnut breast by white collar. Plumage otherwise grey-brown except for black stern and white tail. Female (B) has orange bill and mottled brown plumage. In flight, both sexes have blue and white speculum (patch on trailing edge of inner wing). Resident throughout Britain and Ireland on wide variety of wetlands; often on urban ponds and lakes where usually tame.