Less than 900 mountain gorillas remain in the wild as a result of deforestation , poaching . Comment: She says each gorilla group provides $ 1 million for locals but tourism One of Africa 's premier conservationists , Kalema-Zikusoka has been working tirelessly for some two decades to create an environment where gorillas and people can coexist safely in an area with one of the highest rural human population densities in the continent . comes at a cost . Research is showing the effect of human interaction with world 's largest primates .
Less than 900 mountain gorillas remain in the wild as a result of deforestation , poaching . Comment: She says each gorilla group provides $ 1 million for locals but tourism comes at a cost . Research is showing the effect of human interaction with world 's largest primates .