i don't know pithead!
I would say they are a bird.
The generic term for ducks of all species (male or female) is duck.All male ducks (no mater what the species) are called drakes.All female ducks (no mater what the species) are called ducks.All baby ducks (no mater what the species) are called ducklings.
In the world, there are as many chickens as people. I do not know about the US, but I am guess in about the same. In the world, there are as many chickens as people. I do not know about the US, but I am guess in about the same.
There is not any statistics regarding how fast a ducks wings may beat. This may vary on species of duck.
Ducks have 2 legs.
The same as the number of species of female ducks in the world.
There are many duck species..Mallards, pintails, black, ringnecks, and many others..Consult a field guide.
Ducks
I would say they are a bird.
I hate the ducks!
No, Ducks come in a variety of colors and patterns depending on the breed and species.
It is where two ducks of the same species breed and produce hybrid offspring. Commonly in ducks, hybrids are most likely fertile.
ducks
Many species of bird will colonise swampy land. Examples are Herons and ducks.
Mallard ducks are not capable of changing gender. There is no known species of duck that is capable of that.
No, not the whole species but some types.
No. Ducks are birds and the Platypus is a monotreme which is an egg-laying mammal.