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If you've been to Congo Gorilla Forest recently, chances are you've seen Ernie. The 36-year-old western lowland gorilla is the largest gorilla that resides at the zoo!

As you may have seen on this week's episode of THE ZOO, Bronx Zoo keepers, in conjunction with the veterinary team, practice daily ultrasound training with Ernie to monitor his heart. They share this info with the Great Ape Heart Project to better understand and treat heart-related diseases in gorillas.

We're incredibly proud of our work with gorillas, both in the care they receive and our successful breeding program as part of the Association of Zoos and Aquariums' Species Survival Plan. In fact, we've had five youngsters born in the last five years. The award winning exhibit will give you an up-close view of these animals whose future depends on our continued support.