They're disappearing in the heart of their range in Africa because the big multinational logging companies have come in and made roads -- as they want to do in Ecuador and other parts where the forests remain untouched -- to take out oil or timber.
Scompaiono dal cuore del loro habitat in Africa perché queste grandi multinazionali arrivano e costruiscono strade, come vogliono fare in Ecuador e in altri luoghi dove le foreste sono intoccate, per estrarre petrolio e legname.