The excess of prairie dogs around here get trapped and then go to the Denver zoo to be introduced to the hyenas, polar bears, tigers, leopards and other carnivores who enjoy fresh meats. Some I'm told go to the birds of prey rehabilitation center near me. I would think letting those hogs go loose in a pen of lions at the zoo might just keep their spirits up being locked up in a pen and all. I would love to watch that as an attraction. I remember one time I took my young daughter to the pet store and she was looking at a small boa constrictor. All of sudden a little hatch at the back of the cage opened and in came a little white mouse. That snake in the blink of an eye latched on to that little mouse and coiled it up strangling it. We didn't stay to watch it devour the mouse, as that whole scene was very upsetting to her and she cried in the car all the way home.