Half of all land and freshwater vertebrate animal and vascular plant species are known from a single country and nowhere else. Often less familiar than a country's cultural wonders, these living national treasures are important as irreplaceable parts of a nation's heritage. This site highlights those plants and animals whose survival depends solely on the actions of a single nation.
What's New: Checklists for freshwater fishes and marine fishes (12/2023) have been revised based on more recent information.
