This article discuss the zoo's current situation (a finanacially well one) and has a small mention of a new exhibit this year for the zoo:
Elmwood Park Zoo moving in new directions | Philadelphia Inquirer | 02/07/2009
Zoo's website:
Welcome to the Elmwood Park Zoo
If Konstant has his druthers, a $10,000 jungle exhibit of monkeys, iguanas, small rodents called agoutis, tortoises - and perhaps the endangered tree frog - will join the zoo's 400 occupants by May. Other acquisitions are planned.
Elmwood Park Zoo moving in new directions | Philadelphia Inquirer | 02/07/2009
Zoo's website:
Welcome to the Elmwood Park Zoo