Troglofauna: Animals of the Caves

A video about some of the more obscure animals that science knows of, troglofauna/troglobites. Yes I know that the ocean abyss also counts as an environment with no sunlight, but hey maybe that will get its own video as well.
Wikipedia Articles for the animals with you want to learn more about them:
Troglofauna:en.wikipedia.o...
Troglobites: en.wikipedia.o...
Stygobites/ Stygofauna: en.wikipedia.o...
Bats: en.wikipedia.o...
Olms: en.wikipedia.o...
Sources Used:
science.howstu...
geology.com/st...
caveskth.weebl...
phys.org/news/...
(Non royalty free) Videos used:
Note: All videos should presumably fall under fair use, as not only is a small fraction of the video used, but my video and the means I use these videos falls under education.
Bat Video: • Bats Leaving the Jorna...
Cave Flood Video: • Lost Johns cave in flood
Troglobites Video: • Troglobites: Strange C...