it is a bird that swims on water such as a swan or duck.
A bird that swims in the water, so I suppose you could say either bird or both.
The dipper dives and also starts with D also the darter dives under water and so do some ducks.
I am not sure of the name, But I've heard them called 'water turkey'
penguin
No birds live under water. Some, like penguins, may spend a lot of time under water.
A penguin.
The White-throated Dipper, in Norwegian: Fossekall.
No, "dipper" is not a prefix. It is a common noun that refers to a type of bird or a kitchen utensil used for scooping liquids.
An American dipper is a North American bird which lives in mountain streams, Latin name Cinclus mexicanus.
A wading bird is any of a group of long-legged birds, such as cranes, herons or storks, which wade in shallow water in search of food.
A penguin.