Salt. There maybe some obscure breed of penguin I am not thinking of that lives in fresh, but most of the ones you see in zoos and tv are salt.
It is too cold where the penguins live sharks only live in in the ocean not in ice cold water.
It can swim only in the winter.
Penguins swim and fish in the sea so they swim in salt water
swim in there water
because the polar bears live there to get there water and foodbecause penguins and they like to swim in cold water
Any of the species of Penguins.
They move in the water like birds move in the air, a sort of flying through the water.
ether just swim or catch fish
Penguins can swim at speeds of up to 15-25 km/h (9-15 mph) in the water.
Yes, the help them swim by pushing the water behind them
no, auks, ducks, murres, and puffins can also swim, gulls can swim on the surface
only some like penguins