from the food they eat
They are marine birds, they can process seawater.
No penguins can sleep on water.
Most penguins drink water... A king penguin drinks water too
Penguins live on land.
They push one of the penguins standing in front into the water
They do not turn it into freshwater, they just have the ability to exude or process excess salt within their bodies. Sometimes if you see sea birds, they appear to have a crusty film around their nasal openings on their beaks. This is excess salt
Penguins, actually drink any water they can get access to - both fresh or salt. On land, they access any fresh water source (including falling rain, which they get from their feathers, like preening) With regard to salt water, the Penguin drinks that as well! Special glands around the eye sockets, extracts excess salt from the blood. The excess salt is excreted as a salty fluid via the nasal passages. Which is why, Penguins seem to have a runny-nose sometimes.
No. Penguins lay eggs, on land.
They do not
If you mean Club Penguin, the penguins don't need to eat.
Penguins eat fish and drink salty water.
penguins have wings so they can propel themselves through the water