usually orange but can differ from orange to pink to yellow.
Ducks have a broader, flatter bill and are often more colorful than coots. Coots have a darker body with a white bill and frontal shield. Additionally, coots have lobed feet while ducks have webbed feet.
color changing ducks actually don't exist, you're just on LSD
Blue
White
White ducks typically have orange or yellow eyes, though some may also have blue or brown eyes depending on the breed. The eye color can vary among different types of white ducks, such as Pekin or Muscovy ducks. Generally, the eye color tends to be more vibrant in younger ducks and may change as they mature.
They scoop it with their bill.
bread
Ducks, I guess.
For a financial bill Then Invoice Check for a bird A bill (as in a ducks bill) can be a beak
A lot
Same as the male, orange.
As a duck hunter for several years I would say no. Ducks are very keen on picking up movements especially movements by brightly colored objects. I mean why would there be all the hype on camo wear if not? Of course that could all be commercial. But my understanding is that ducks are not color blind hence the camo and such, but deer are--- hence hunters having no problem with wearing hunter orange.