MORE ON ADAPTATIONS AND PLUMAGE.
Waterfowl include ducks, geese, and swans. Adaptations for life on water include webbed feet, waterproof plumage, and sensitive bills that can locate food by touch. Most male waterfowl have colourful plumage because the female selects the mate, and a male with a great suit of feathers has a better chance of being selected. Females must incubate eggs and usually have cryptic colours which help them hide from predators.