They are marine birds, they can process seawater.
from the food they eat
Penguins primarily get their water by consuming small amounts of snow or ice. They can also obtain water from the fish and other marine creatures that they eat. Penguins have specialized glands near their eyes to help them remove excess salt from their bodies.
Emperor penguins do not drink water as they obtain all necessary liquid from the prey they consume, such as fish and krill, which contain water. Additionally, they have a special gland near their eyes that filters excess salt from their bloodstream, allowing them to survive on the saltwater they consume while hunting.
No penguins can sleep on water.
Most penguins drink water... A king penguin drinks water too
They push one of the penguins standing in front into the water
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