Wild pigs of Southeast Asia

Bornean bearded pig

Frizzy beard above the nose; thick warts on the face; chitty-chatty and yet ready to butt heads for sex. Matthew Linkie and Sheherazade tell us all about the many species of wild pigs that roam the forests of Southeast Asia and their deadly new threat, the African swine fever.

Scientists collect semen from macaque masturbation

Two macaques grooming in Yakushima National Park, Japan.

Scientists can learn much from an animal’s semen. But it’s difficult to collect semen from wild animals. Primate males however, masturbate often, ejaculating on surfaces nearby. Could scientists collect semen there?