Another characteristic is the speculum which is produced by the bright metallic feathering of the secondary feathers. There are also voice differences between the male and the female. The female incubates and rears the young. More information can be found from the sources in the reference list at the bottom of this web page. Orange duck, Pekin Duck, BBQ duck, duck soup.
Ducks eat slugs.
They go slug hunting all day. Ducks have eyelids on the bottom of their eyes Yep, their eyelids are not like humans. It's on the bottom half. It's kind of cool. It's hilarious, when two ducks body slam.