Waddles The Duck Walks For The First Time Ever On His 3D-Printed Prosthetic Leg

It's not just humans that use prosthetic limbs—wounded or disabled animals can benefit from them, too. In the past, we've reported on cats, dogs, and even an elephant who have been fitted for prosthesis. The latest creature who's now learning to walk on an artificial foot is an adorable duck named Waddles.