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.

研究发现，当可选雄性鸣叫数量增加时，雌性灰树蛙更难挑出自己偏好的长鸣叫，决策更慢，也更容易放弃选择。作者认为这源于雌蛙自身的认知限制，而非鸣叫重叠造成的听觉干扰，并可能影响雄性在群体中的竞争策略。