Then,to his surprise, two gorilla young- sters suddenly leap forward. They finish dismantling that snare and, with another juvenile's help, destroy a second one that Ndayambaje hadn't even noticed."They want to be surethere is no longer danger. he says. "Gorillas are so like us, says Tara Stoinski, chief scientist of the Gorilla Fund. "They feel pain and help each other." For these smart apes, one tragedy is too many.