Why Don t Sleeping Bats Fall Down?

Bats sleep upside down, so how come they don’t fall? Turns out that they’ve got some unusual legs. Hosted by: Michael Aranda ---------- Dooblydoo thanks go to the following Patreon supporters -- we couldn't make SciShow without them! Shout out to Justin Ove, Justin Lentz, David Campos, Philippe von Bergen, Chris Peters, Lilly Grainger, Happy Birthday!!, and Fatima Iqbal. ---------- Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: http://dftba.com/scishow Or help support us by becoming our patron on Patreon: https://www.patreon.com/scishow ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow Sources: Flying foxes tendon locking mechanism: http://onlinelibrary.wiley.com/doi/10.1111/j.1469-7998.1993.tb02633.x/abstract Bat tendon locking mechanism paper: http://www.ncbi.nlm.nih.gov/pubmed/8515478 Review paper on grasping in tetrapods: http://onlinelibrary.wiley.com/doi/10.1111/brv.12010/epdf Vampire bats don’t have a “passive digital lock” (could not access full article but this was stated in abstract): http://www.karger.com/Article/Abstract/147544 Vampire bats “strike their victims from the ground”: http://animals.nationalgeographic.com/animals/mammals/common-vampire-bat/ Vampire bats have stronger legs / are faster on the ground http://mentalfloss.com/article/53128/11-bloody-facts-about-vampire-bats