Claver, a ranger guide in Nyungwe National Park for more than 20 years, has received a Tusk Conservation award for his work Credit: SARAH J MARSHALL At that time, the forest needed support.

Extending across almost 386 sq mi/1,000 sq km, Nyungwe is the largest remaining tract of montane rain forest in East Africa with a checklist of around 280 bird species, including 26 regional ende ...