Approximately 26 percent of all fish , reptiles , birds , and mammal species in South Florida are exotic -- more than in any other part of the U.S. -- .
The region hosts one of the highest numbers of exotic plant species in the world .
Approximately 26 percent of all fish , reptiles , birds , and mammal species in South Florida are exotic -- more than in any other part of the U.S. -- and the region hosts one of the highest numbers of exotic plant species in the world .