ScienceDaily (Dec. 12, 2011) — Many of the animal species at risk of extinction in the United States have not made it onto the country’s official Endangered Species Act (ESA) list, according to new research from the University of Adelaide.
National “red lists” are used by many countries to evaluate and protect locally threatened species. The ESA is one of the best known national lists and arguably the world’s most effective biodiversity protection law.