Male peacocks can make females’ heads vibrate at a distance
Peahens have fan-shaped crests on their heads, and it seems males can make these crests resonate by making a specific noise with their tails
Mute male crickets are still trying to serenade females
Male Hawaiian crickets that have lost the ability to chirp still go through the motion of “singing”, even though females can’t hear them
We just sent a message to try to talk to aliens on another world
We've just sent a message to a nearby star to see if there's any life there - and we'll only have to wait 25 years for a reply