When the lion populations did change, they did so in great leaps.
Within Africa, the West African lion population is particularly endangered.
Group hunting, known in Maasai as olamayio, gives the lion population a chance to grow.
This kleptoparasitism may be contributing to the decline of lion populations within the national park.
Twenty years ago Africa's lion population stood at 200,000.
At this rate the local lion population would be gone in a couple of years.
Luca explains how years of persecution have made the lion population wary.
The crater is famous for its large lion population, but most of East Africa's safari species can be seen here.
Although the lion population is growing by 3 percent a year, wildlife officials are cautious about the future.
The piece suggested that the Furadan was a serious threat to the future of the lion population in Africa.