The African penguin is in trouble. Populations of these rare birds have dropped a whopping 90 percent since the beginning of the 20th Century.

The African penguin is in trouble. Populations of these rare birds have dropped a whopping 90 percent since the beginning of the 20th Century.

SeaWorld San Diego, already home to more than 250 amazing penguins, has three more birds in its family. These Magellanic penguins hatched a little more than a month ago and are doing great in the Penguin Encounter's behind-the-scenes nursery.