Penguins

All recognized species of penguin. In order: Adélie, African, Chinstrap, Emperor, Erect-Crested, Fiordland, Galapagos, Gentoo, Humboldt, King, Little Blue (including the White-Flippered), Macaroni, Magellanic, Northern Rockhopper, Southern Rockhopper, Royal, Snares, Yellow-Eyed

Rank 18 items head-to-head — pick a favorite, one matchup at a time.