Loudest purr by a domestic cat
Who
Merlin
Where
United Kingdom Torquay
When

The loudest purr by a domestic cat is 67.8 db(A) and was achieved by Merlin, owned by Tracy Westwood (UK), at her home in Torquay, Devon, UK, on 2 April 2015.

Merlin is 13 years old.

Full story: Rescue cat Merlin sets new world record for loudest purr