Chewed bark, leaves and fruit discarded by mountain gorillas provide a simple way to test the endangered apes for viruses without disturbing them, according to scientists studying mountain gorillas and golden monkeys in East-Central Africa.
Chewed bark, leaves and fruit discarded by mountain gorillas provide a simple way to test the endangered apes for viruses without disturbing them, according to scientists studying mountain gorillas and golden monkeys in East-Central Africa.