The Basics of VVS Diamonds. VVS, or very very slightly included, diamonds have small inclusions that are undetectable to the human eye. In fact, these inclusions are so small that they are difficult to see even with 10x magnification. Typically, VVS diamonds are split into VVS1 and VVS2 subcategories.
Now, over 100,000 western lowland gorillas are thought to exist in the wild, with 4,000 in zoos; eastern lowland gorillas have a population of under 5,000 in the wild and 24 in zoos. Mountain gorillas are the most severely endangered, with an estimated population of about 880 left in the wild and none in zoos.
Story highlights. 1  There are only 800 mountain gorillas, found across two habitats in central Africa. 2  The species is endangered, but their numbers are growing due to conservation efforts. 3  Rwanda's Karisoke Research Center was founded by the late zoologist Dian Fossey.