To tell an Emperor from a King notice that the tear-drop shaped ear patches are yellow on Emperors and are open. Kings have orange ear patches that are closed.
Chicks have distinctive grey and black plumage.
Height Adult Emperor penguins are typically 1.2 metres tall. Weight Emperors weigh around 30 to 40kg, their weight varies a great deal during the year. Males can lose about half their body weight while incubating eggs in the Antarctic winter Breeding locations Emperors breed on the fast ice all round the Antarctic continent. The total breeding population is estimated to be 195,000 pairs. Nesting behaviour Females lay a single egg onto their feet and transfer it immediately to the male who incubates it on his feet underneath a fold of abdominal skin, throughout the Antarctic winter.