Endemism's the ecological state of being unique to a particular geographic location, such as a specific island, habitat type, nation, or other defined zone. To be endemic to a place or area means that it's found only in that part of the world and nowhere else. For example, many species of lemur are endemic to the island of Madagascar. Physical, climatic and biological factors can contribute to endemism. For example, the Orange-breasted Sunbird's endemic to Fynbos, meaning it's exclusively found… (More on Endemism)