Emperors are the biggest of the 18 species of penguin found today, and one of the largest of all birds. They are approximately 120cm tall (about the height of a six year old child) and weigh in at around 40 kg, though their weight does fluctuate dramatically throughout the year.Emperor penguins are about tall, weigh up to , and have a wingspan of . Emperor Penguins are black and white like all penguins, and the sides of their neck and chest are golden. They can dive deeper than any other bird, including other penguins. Emperor penguins are also the largest penguins in the world.Emperors are the biggest of the 18 species of penguin found today, and one of the largest of all birds. There are approximately 595,000 adult Emperor penguins in Antarctica. But due to a lack of research, there is still so much we don't know about these magnificent polar creatures. That's why we're funding research in the Antarctic, because the more we know, the better we can protect them. This will encourage the formation of Marine Protected Areas and will help in protecting the species in the face of climate change. Emperor penguins do not build nests they lay their eggs on the ice through their legs. Like other penguins, emperors leap into the air while swimming, which is called porpoising.