"To Make A Wild Comeback, Cranes Need More Than Flying Lessons"
"When a whooping crane stands up, you notice. At 5 feet in height, it's America's tallest bird. Its wingspan is more than 7 feet, its body snowy white, its wingtips jet black. By the 1940s, the birds had nearly gone extinct. Biologists have worked hard to bring them back, by breeding whoopers in captivity and releasing them in the wild."