The U.S. Fish and Wildlife Service, Branch of Foreign Species reviews the status of rare plants and animals in countries around the world. In 2011, the U.S. Fish and Wildlife Service was actively working on many species in South America. Each country is represented by a shade from yellow to red indicating the number of species that the U.S. Fish and Wildllife Service, Branch of Foreign species is reviewing for possible listing as Endangered or Threatened.
