Many caves are like islands , cut off from the outside World and other known civilization. This isolation has resulted in the evolution of various strange creatures - These species ranging from the Blind Salamander to the Belizean White Crab and are considered Cave Specialists and are better known as Troglobites. Taken From Planet Earth Subscribe to the BBC Earth YouTube channel: http://bit.ly/BBCEarthSub Want to share your views with the team behind BBC Earth and win prizes? Join our fan panel here: https://tinyurl.com/YouTube-BBCEarth-FanPanel BBC Earth Facebook http://www.facebook.com/bbcearth BBC Earth Twitter http://www.twitter.com/bbcearth BBC Earth Instagram https://www.instagram.com/bbcearth/?hl=en Visit http://www.bbc.com/earth/world for all the latest animal news and wildlife videos Subscribe: http://bit.ly/BBCEarthSub WATCH MORE: New on Earth: https://bit.ly/2M3La96 Oceanscapes: https://bit.ly/2Hmd2kZ Wild Thailand: https://bit.ly/2kR7lmh Welcome to BBC EARTH! The wo