Payseur Labs

https://payseur.genetics.wisc.edu/IslandEvolution.htm

“Body size evolution has been rapid: mice were recently introduced to the island (in the 19th century) and a major size increase was observed over just a 40-year period. The drastic size change of Gough Island mice has been attributed to low temperature, extended longevity, reduced predation, andcarnivorouseating habits.”