Too many males to choose from can overwhelm female frogs – and change who gets to mate

Many animal species – frogs and humans alike – struggle to make choices in a complex, overwhelming world.

研究發現，當可選雄性鳴叫數量增加時，雌性灰樹蛙更難挑出自己偏好的長鳴叫，決策更慢，也更容易放棄選擇。作者認為這源於雌蛙自身的認知限制，而非鳴叫重疊造成的聽覺乾擾，並可能影響雄性在群體中的競爭策略。