This would not work with Bubbles the turtle and either of the cats. They are mutually terrified of each other. Bubbles 'runs' away and the cats hiss or sniff him from a distance when he is on the loose.
Mexican free-tailed bats forage for food for longer and go further afield than other bats, travelling at around 80kph (50mph) when flying over open ground. Description from bbc.co.uk. I searched for this on bing.com/images