It takes 24 million generations for a mouse-sized animal to evolve to the size of an elephant.
Research just published has, for the first time, measured how fast large-scale evolution can occur in mammals. The research describes increases and decreases in mammal size following the extinction of the dinosaurs 65 million years ago.
The research furthers understanding of conditions that allow certain mammals to thrive and grow bigger and circumstances that slow the pace of increase and potentially contribute to extinction.
Read more at Monash University