As someone who's been seeing this animal a lot within the past year (I previously worked at Chessington World of Adventures and hosted the 'Amazu' attraction pretty often), I'm surprised it's taken me this long to suggest it. I can already see the squirrel monkey being an interesting animal to watch and manage and they're also considered to be endangered which could make for an appropriate addition for extra awareness. 
Also who can argue with this little face??
Also who can argue with this little face??
