Male Goliath beetles have a Y-shaped horn on their heads to battle other males for feeding sites or females, while females have a wedge-shaped head to assist them in burrowing when they lay eggs.

• 雄性巨甲虫的头部有Y形的角，这是它在争夺觅食地和交配时与其他雄性甲虫战斗的强有力的武器；雌性巨甲虫头部为锲型，可以帮助它们在产卵时挖土打洞。