The graph below shows the changes in the maximum number of gorillas in the wild between 1990 and 2015. Summarise the information by selecting and reporting the main features and make comparisons where relevant.

The bar chart provides information about the changes in the

population

of

gorillas

held outside captivity in seven African countries from 1990 to 2015.

Overall

, all seven countries experienced a downtrend in the number of

gorillas

in the wild.

However

, Uganda saw a considerable drop in their gorilla

population

,

while

Nigeria and Angola showed a slight increase throughout the period. Uganda saw the biggest drop in the

population

of wild

gorillas

from around 8,000 in 1990 to 7,500 in 2015.

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A similar

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trend was seen in

Central

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the Central

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African Republic, their

population

declined from about 6,000 in 1990 to less than 5,000 in 2015. Nigeria and Angola saw a slight rise in the number of untamed

gorillas

. The figure rose from approximately 2,500 to nearly 2,600 which was an increase of 100

gorillas

.

In addition

,

this

trend was similar for Angola which experienced a small increase of about 90 wild

gorillas

at the end

of 2015.