145635 Pochard Aythya ferina L 42-49cm. Distinctive diving duck with long bill, curving forehead and peaked crown. Gregarious in winter, often with Tufted Ducks. Both sexes have dark bill with pale grey band. In flight, all birds have uniform grey wings with dark trailing edge to outer flight feathers. Sexes are dissimilar in other regards. Adult male has reddish orange head, black breast, finely marked grey flanks and back, and black stern. In eclipse, black elements of plumage are sooty brown. Adult female has brown head and breast, grey-brown back and flanks, and pale ‘spectacle’. Juvenile resembles adult female but plumage is more uniformly brown. Voice Mostly silent. Status Scarce breeder but locally common in winter: migrants arrive from mainland Europe. Favours flooded gravel pits, reservoirs and lakes.