Although the medications may slow the disease, they are not a cure. Both Mokolo and Bebac are taking the drugs and doing well-for now. of urgency," says Dennis. "We have to crack this before more animals die." Gorillas are critically endangered in the wild. Everything we can learn about them helps toward protecting them," says. "Now that we have these animals in captivity, it's our obligation to make sure they're in the best health they can be in.