Because even the female ducks think it's pretty and it is easier for him to attract predators leaving the females and ducklings alone so his genes will propagate.
Shelduck
Most male birds are brightly colored to attract females.
A male duck is referred to as a 'drake' when he reaches adulthood. Similar to other bird types, the drake can be spotted easily because he has brightly colored feathers or plumage that he uses to attract hens. During mating season the drake becomes susceptible to predators because the plumage makes it so he is unable to fly.
The brightly colored male bird is a peacock (the female is technically a peahen).
brightly colored males:)
A brightly colored blanket or cloak is called a serape. It is worn in Mexico, Central America and South America.
Cocks were created with brightly colored feathers to make them noticeable to females who may be attracted to the colors.
As in most bird species, the male is more brightly colored, while the female is drab, nesting security. A male chuckar will have a black mask if he is mature. As in most bird species, the male is more brightly colored, while the female is drab, nesting security. A male chuckar will have a black mask if he is mature.
There are thousands of possibilities.
The tropics
in jurneys
The flowers that are not brightly colored either have smell to attract the insects for pollination during night or these are pollinated by wind.