Tarra and Bella's friendship was tested when Bella suffered a back injury. Unable to walk, Bella was confined inside the sanctuary's office. Tarra left her 1,800-acre habitat behind and visited her friend every day for three weeks.
Watch their emotional reunion!
In a moment that became a YouTube sensation, co-founder Scott Blais carried Bella onto the balcony to see her devoted friend. "Bella's tail started wagging, and we had no choice but to bring Bella down to see Tarra," he says.