1. Mountain Gorilla
As the second largest species of gorilla, the numbers of mountain gorilla found in the wild are alarmingly low. It is thought that there are fewer than 900 left. The dwindling numbers are, unfortunately, largely due to human influence. Conflicts in their native regions mean that they are in direct conflict with human refugees and are even at risk from landmines placed along forest paths. They're also regular victims of poaching, with babies often being kidnapped to be illegally sold to zoos or exotic pet collectors. The adults are usually killed in the process. Another creeping threat is disease, as gorillas can actually catch diseases such as ebola, making them susceptible to the epidemic that hit our news headlines. Contact with humans, either tourists, poachers or otherwise, also bring them into contact with dangerous pathogens that could decimate what's left of the population. Although conservation efforts have increased their numbers in the past decade, they're still almost completely dependent on human intervention for their survival.