Pictures of Penguins

While there are only 18 species of penguin in the world, all of them in the family Spheniscidae, they are such unique and distinctive birds that they are instantly recognizable even to non-birders. But do you know how each penguin species is different? Click on the photos below to learn more about each penguin, where it can be seen and what makes it special, as well as why all penguins need protection from the devastating threats they face.