The point about polygyny, according to Dr Clutton-Brock, is that if one male has exclusive access to, say, ten females, another nine males will be waiting to topple the harem master as soon as he shows the first sign of weakness.

• 关于一夫多妻制，克拉顿布劳克解释说，如果单个雄性独自赢得10个雌性，剩下的9个雄性则会伺机等候，一旦这个雄性显露出一丝弱点，其余九个便会开始争权夺位。