Emperor Penguin Emperors are the largest of all penguins—an average bird stands some 45 inches tall. These flightless animals live on the Antarctic ice and in the frigid surrounding waters. Nov 15, · Adult Emperor Penguins can reach between and m ( and 4ft) in height. The largest Emperor Penguins weigh between 40 and 45kg (88 to 99lb). It is the only the only Antarctic animal that breeds in the winter. Emperor Penguins sometimes walk over km (62 miles) to get to their breeding grounds.