Rank | Total number of species | Number of endemic species | Number of threatened species |
1 | Andes | Andes | Andes |
2 | Amazon Basin | New Guinea and Bismarck Archipelago | Amazon Basin |
3 | Western Great Rift Valley | Panama and Costa Rica Highlands | Guiana Highlands |
4 | Eastern Great Rift Valley | Caribbean | Himalayas |
5 | Himalayas | Lesser Sunda Islands | Atlantic Coastal Forest, Brazil |