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TOP10 FACTS ABOUT MOUNTAIN GORILLAS

1. AROUND 1,063 EXIST IN THE WILDThere are two species of gorilla: eastern and western. The mountain gorilla is a sub-species of the eastern gorilla. Mountain gorillas are endangered – there are an estimated 1,063 in the wild according to the latest census results (which come out every 5-10 years).

2. THEY LIVE IN TWO ISOLATED GROUPSMountain gorillas live in east-central Africa in just two isolated groups – one in the Virunga Volcanoes (a region spanning 3 national parks in Uganda, Rwanda and Democratic Republic of Congo (DRC)) and one in Bwindi Impenetrable National Park, Uganda, which connects to Sarambwe Nature Reserve, DRC. They’re found in high altitude montane and bamboo forests, which are surrounded by agriculture and settlements.

3. WE SHARE AROUND 98% OF OUR DNA WITH GORILLAS

This means that exposure to human illnesses – even a cold – can have potentially detrimental impacts on gorillas as they are so genetically similar to us, but they haven’t developed the necessary immunities.

4. THEY’RE ONE OF THE BIGGEST, MOST POWERFUL LIVING PRIMATESAn average male mountain gorilla can weigh 180kg (that’s almost 30 stone), and measure 170cm (over 5’5”) tall.

5. THEY CAN EAT ALL DAY LONGMountain gorillas spend about a quarter of their day eating mainly leaves and shoots, but have also been known to eat snails, ants and bark (a good source of sodium).

6. THEY COZY UP AT NIGHTAt night, mountain gorilla groups sleep together in nests on the ground, or in trees, that they make from foliage. Infants will share their mother’s nests, staying safe and warm.

7. THEY HAVE 16 DIFFERENT TYPES OF CALLThis includes short barks when they’re mildly alarmed or curious. To intimidate rivals, male gorillas strut with stiff legs, beat their chests, and use vocalisations like roars or hoots.

8. THEY LIVE IN FAMILY GROUPSMost mountain gorillas live in stable family groups of around 10 individuals, with one dominant male and several females. Both males and females in the group care for their infants; hugging, carrying and playing with them. When they get older, most males and around 60% of females then leave their birth group to join another troop. This helps prevent inbreeding.

9. IN THE WILD, GORILLAS CAN LIVE TO OVER 40 YEARS OLDGorillas are classed as infants until they reach around three-and-a-half years old, and adults from around 8 years. Males between 8-12 years are called ‘blackbacks’. Then from 12 years old, they develop a silver section of hair over their back and hips, earning them the name ‘silverback’.

10. THEY’RE UNDER THREATThe main threat to mountain gorillas is the degradation of their habitat. As the region’s population grows, the land is increasingly converted for agriculture and competition for limited natural resources leads to deforestation. With little other choice, people enter mountain gorilla forests to collect water and firewood, putting gorillas at risk from human contact and illnesses. People may also lay snares intended for bushmeat, which can accidentally injure the great apes. Gorillas don’t just stay in their forests. They venture onto farmland to eat crops like maize and bananas, which can cause conflict with people who need to make a living. Gorilla tourism that isn’t well managed is another potential issue, as it can impact the behaviour and health of mountain gorillas.

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