The SMEW is a species of duck that is found in Eurasia and North America. It is a fish-eating duck, with its diet consisting mainly of small fish such as minnows and sticklebacks. The SMEW is a medium-sized duck, with males having a white head and neck, and a grey back and wings. Females are brownish-grey in colour. The SMEW is a migratory species, and can be seen in large flocks during the winter months.