Constant Sexual Aggression Drives Female Tortoises to Walk Off Cliffs

Constant Sexual Aggression Drives Female Tortoises to Walk Off Cliffs: On a remote island in North Macedonia, male Hermann’s tortoises outnumber females 19 to 1, an imbalance driving the population to extinction. By Elizabeth Preston Elizabeth Preston has reported on female frogs that play dead to avoid males and how some cockroaches seal their bond with cannibalism. On the island of Golem Grad in North Macedonia, visitors