One of the few animals that live in the Southern Hemisphere, penguins live mainly in oceans and leave the water only to breed. Several penguin species are endangered because water pollution and global warming affect both their water and land habitats. In some places, people have even taken over penguin breeding grounds. Endangered Penguins looks at - the different species of penguins - where each species lives on Earth - the life cycle of a penguin - the many dangers faced by penguins