Hopefully stray cats and dogs, squirrels, raccoons, foxes, possums, and other little garbage wildlife will roam the appropriate areas. Deer, definitely. Oh, and hopefully they can implement good flocks of birds. Those huge swarms of pigeons would be hilarious to drive through or blast with the minigun.
"Star bringing purple! Star bringing yorbel! STOP BRINGING YORBEL! STOP RINGING YOUR BELL!"