Alaska's 1964 earthquake lifted parts of the seafloor high enough to create new freshwater ponds, and marine sticklebacks moved into them; within 50 years the fish had evolved almost as far from their ocean ancestors as freshwater populations thousands of years older
In 1971, scientists moved just five pairs of Italian wall lizards onto a small Croatian island; 36 years later their descendants had larger heads, stronger bites and altered digestive tracts suited to eating far more vegetation than the original population