What's the noun for penguins? Here's the word you're looking for.
penguin
Any of several flightlesssea birds, of order Sphenisciformes, found in the Southern Hemisphere; marked by their usual upright stance, walking on short legs, and (generally) their stark black and white plumage. [from 16th c.]
(slang) A nun (because of the black and white habit).
(juggling) A type of catch where the palm of the hand is facing towards the leg with the arm stretched downward, resembling the flipper of a penguin.
A spinybromeliad with egg-shaped fleshy fruit, Bromelia pinguin.