"We're grateful that 60 Minutes is telling this landmark story," says Friends of Animals' president Priscilla Feral, who worked with 60 Minutes correspondent Lara Logan in the late spring of 2011--recounting Friends of Animals' work on this project that began in 1999 with a trip to Senegal.

By Anonymous Two out of every five species on the planet that have been assessed by scientists face extinction, according to the latest World Conservation Union (IUCN) Red List of Threatened Species.