naked.

Photo: Solent News & Photo Agency / REX USA It's not easy being bald -- unless you're Ralph, a penguin who keeps his bare skin under wraps with a custom-fit wetsuit. Every summer penguins molt, gradually shedding old feathers as a shiny new set comes in, People Pets reports. But for reasons unknown, Ralph's feathers all fall out at once, leaving him living in the buff at his Marwell Wildlife Center home in Winchester, England. Marwell animal information officer, Bill Hall, tells Paw Nation that the 10-year-old Humboldt penguin's skin is left unprotected and uninsulated, vulnerable to cold and sunburn. "It sounds silly that penguins could get a chill, but they may," he says. Ralph ...