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.
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美
- 雄性巨甲蟲(chóng)的頭部有Y形的角，這是它在爭奪覓食地和交配時(shí)與其他雄性甲蟲(chóng)戰斗的強有力的武器；雌性巨甲蟲(chóng)頭部為鍥型，可以幫助它們在產(chǎn)卵時(shí)挖土打洞。
