Possible Clues:

• Petting ___ (places for kids, in two ways)
• Places to find lions, tigers and bears
• Workplaces for some veterinarians
• Places where you might find okapis and gnus (besides crossword puzzles!)
• Only places to find South China tigers, possibly
• They have everything from aardvarks to zebras
• Places to see endangered species
• Places to find lions and tigers and bears
• Places to bear witness?
• Places to see lions, tigers and bears