I was reading a book of factoids the other day and came across this interesting bullet point:
Therefore I ask you has there been any reference to the kind of noise atuin makes in any discworld work?We can include the tv adaptations in this since sound effects might be more useful than written description here
How to avoid a wombat's bum and other fascinating facts said:
You can tell a turtle's gender by the noise it makes:males grunt,females hiss