(Follow the monarch butterfly on its nearly 3,000-mile journey.) To give the seedlings on Nevado de Toluca the best chance of survival, the team planted the baby trees under "nurse plants ...
NAIROBI—Looking for a good home: 4.2 million butterflies. Steve Collins started collecting butterflies at age 5 on his family’s coffee farm on the flanks of Mount Elgon. He’s 74 now, and ...