Though the polar bear is mostly carnivorous, and the giant panda is usually herbivorous, the remaining six species are omnivorous with various diet programs. Except for courting men and women and mothers with their younger, bears are typically solitary animals. Captive lions are already infected with canine distemper virus (CDV) https://www.youtube.com/channel/UCCoZfLHRsYsRsVHqS-CSAWA