Standing nearly four feet tall, the Emperor Penguin reigns supreme, but several others come close. This list explores the seven largest penguin species, comparing their weight, habitat, and breeding ...

G enetic analysis of the hoiho, also known as the yellow-eyed penguin, has revealed that this species is in fact made up of ...

While most birds spend their time gathering twigs, leaves and branches to prepare their nests for their young ones, some lazy ...