Uninhabited by humans, not uninhabitable. Natural radiation in natural hot spots like Ramsar Iran are hotter than most parts of Chernobyl today, and no one there shows any increased cancer. Fear of low-dose radiation is the only reason why Chernobyl is still pretty empty today. The animals are doing just fine. They are no more radiation resistant than you or I.

http://www.bbc.com/earth/story/20160421-the-chernobyl-exclus...