A small Pacific pocket mouse living at the San Diego Zoo Safari Park has officially been named the world’s oldest living mouse.
The mouse has an age of 9 years and 209 days.
The mouse’s name is Pat and is named after actor Patrick Stewart. Pat was born at the zoo on July 14, 2013, and is now officially the holder of two world records for his longevity.
The previous oldest mouse ever was named Fitzy and died at the age of 7 years and 225 days at his owner’s home in Britain in 1985.
Pacific pocket mice, the smallest mouse species in North America, had been thought extinct until a small population was discovered in 1994. Pat was born during the first year of the San Diego Zoo’s Pacific pocket mouse conservation breeding and reintroduction program.