Greatest mouser
Who
Unknown
Where
UK Crieff,Perth,Kinross
When
The most prolific mouser is a female tortoiseshell cat named Towser (b. 21 April 1963), owned by Glenturret Distillery Ltd near Crieff, Perth and Kinross, UK that notched up an estimated 28,899 mice. She averaged three mice per day until her death on 20 March 1987.