Nah, they're fluffy and fuzzy, search the image
Yes. Ducks do have axle feathers. They are between the primary and secondary feathers.
of course they do.
Ducks have a relatively thin skin covered with feathers. Since ducks are aquatic, they have preen glands with oil on the base of their tail; this oil is spread on the feathers to keep the duck dry while floating on the water.
They have a oil gland which has the oil in and they use their bill to use it on their feathers
No, they have feathers.
Feathers.
duckfeathers
no. but they have webbed toes and feathers.
downe
Here are some:swansgeese
The best of these covers are made from the down of eider ducks, Less expensive ones are stuffed with the down and feathers of domestic geese.
Ducks that have puffs of feathers on their heads are various types of domestic ducks called "crested" ducks.