Why are crickets so loud?

Related questions

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6. What happens if a cricket bites you?
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Tags

1. #calling
2. #forewings
3. #mates
4. #together
5. #mating
6. #chirping
7. #other
8. #males
9. #female
10. #edges
11. #ritual
12. #sound
13. #fairly
14. #females
15. #repels
16. #songs
17. #attracts
18. #chirp
19. #crickets
20. #rubbing
21. #their