10. Proboscis Monkey
Source: boredpanda.com
Also known as long-nosed monkey, proboscis monkey is a native of Indonesia. They’re relatively large, weighing between 35 and 50 lb on average. In the past 40 years their population has decreased by more than 50%. They’re hunted for ingredients necessary in Chinese traditional medicine, and habitat loss due to deforestation also plays a large part in their waning numbers..