Africa's great elephant divide: countries struggle with too many elephants - or too few

In countries such as South Sudan, the great herds have all but disappeared. But further south, conservation success mean increasing human-wildlife conflictIt is late on a January afternoon in the middle of South Sudan's dry season, and the landscape, pricked with stubby acacias, is hazy with smoke from people burning the grasslands to encourage new growth. Even from the perspective of a single-engine ultralight aircraft, we are warned it will be hard to spot the last elephant in Badingilo national park, a protected area covering nearly 9,000 sq km (3,475 sq miles).Technology helps - the 20-year-old bull elephant wears a GPS collar that pings coordinates every hour. The animal's behaviour patterns also help; Badingilo's last elephant is so lonely that it moves with a herd of giraffes. Continue reading...