Rephrased (2 words shorter): A tahr's horns are both its weapon and decoration, keeping it safe and telling the herd who's the strongest.
Explanation for a 6-year-old — step by step:
- Horns are like the tahr's tools to protect itself.
- They also look fancy so other tahrs can see who is bigger or stronger.
- So the horns help the tahr stay safe and show the herd who is the boss.