Sebastian Willnow, AFP/ Getty Images
The few tufts left around their heads and their wrinkly, rashy skin lend the bears a decidedly unsettling appearance: part lion, part Chupacabra. What's worse, vets can't figure out what's made the bears go bald; they should currently be growing thick, dark-brown fur for winter.
People have been visiting the zoo in droves to get a peek at these unfortunate animals.
