When a penguin does this to a human, it can signify general interest or trust. Baby Adélie chicks like this one often make noises if they need something. These chirps or squawks can mean hunger ...

It was just a few months ago that Australia's beloved Pesto the Penguin went viral for weighing nearly 50 pounds at just 9 months old. Now, the U.S. has its own baby penguin that some are saying ...