In the water. More specifically, Antarctica, or wherever else they live. You can look that up. Or in the zoo.
penguins swim and platypus's don't
yes
It is not exactly that they like to swim, they swim to get food and get away from their predators. It is one of their adaptations.
they like to slide on ice and sometimes they swim.
only some like penguins
The penguins swim fast with their beaks pointing foreward for hours.
penguins have webbed like feet like ducks because it helps them swim
It can swim only in the winter.
They move in the water like birds move in the air, a sort of flying through the water.
Yes. Penguins can swim, they are exellent at it. Though the cannot fly.
Penguins ususally learn to swim at 2 months old
Yes, Emperor penguins do swim, because they need to get food for their hatchlings