Going back to, I think RCT3, maybe a DLC? Some of the parks had a helicopter tranq minigame. I remember tranqing Camels and something else. I'd love to see that back and possibly expanded on.
Just then I heard a commotion and, looking up at the edge of the pit saw the entire animal escape team – including the marksmen – peering down with the utmost concern on their faces, “Where are they?” said Ted, our veterinarian, obviously alarmed. He was panting from running, as were the others.