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
Biologists drove 19 burrowing owls evicted by a Phoenix housing project 50 miles into a 10,000-acre solar complex and lowered them into 40 plastic burrows — every female laid eggs within a month, and 29 chicks fledged the first summer, because open ground under panels hides no predator from an owl