How do they make these noises ... It produces a buzzing or pulsing-type noise. Sure, the sound of crickets chirping is ...

And what do their lives tell us about the evolution of sonic communication ... The sound may have attracted mates or repelled rivals, just as the chirping of crickets does today. Alternatively, the ...

They may do it to establish territory or as a warning ... This is why it can be hard to find a chirping cricket that’s inside ...