The document provides information about Emperor Penguins, the largest species of penguin. It notes that Emperor Penguins stand up to 4 feet tall and can weigh up to 100 pounds, though they cannot fly. They live in Antarctica, the coldest environment for any bird, where temperatures can drop to -40 degrees. Emperor Penguins migrate over 50 miles to breeding grounds and have specific breeding and social patterns, including the male sitting on the egg for 65 days without eating while the female hunts.