AdvertisementGiant Prehistoric Penguins Once Swam Off The Coast Of New ZealandDecember 12, 2017Rhitu ChatterjeefacebookEmailAn illustration comparing the giant penguin to an average person. Kumimanu biceae weighed about 220 pounds and was a bit shorter than 6 feet in height. It swam around off the coast of New Zealand between 55 and 60 million years ago. (Gerald Mayr)