WATCH: Connecticut aquarium welcomes 2 endangered penguin chicks

The Mystic Aquarium in Connecticut is calling the hatching of the critically endangered African penguins a “hopeful milestone.”

​The Mystic Aquarium in Connecticut is calling the hatching of the critically endangered African penguins a “hopeful milestone.”  GMA The Mystic Aquarium in Connecticut is calling the hatching of the critically endangered African penguins a “hopeful milestone.”