![WIRED Science on Twitter: "MT @TabathaSouthey: Flip a photo of bats hanging upside down and they look like they're having a wicked dance-off. http://t.co/ge3ZsNe4ir" / Twitter WIRED Science on Twitter: "MT @TabathaSouthey: Flip a photo of bats hanging upside down and they look like they're having a wicked dance-off. http://t.co/ge3ZsNe4ir" / Twitter](https://pbs.twimg.com/media/BipjiJTCMAAJL2N.jpg:large)
WIRED Science on Twitter: "MT @TabathaSouthey: Flip a photo of bats hanging upside down and they look like they're having a wicked dance-off. http://t.co/ge3ZsNe4ir" / Twitter
McKinley Presidential Library & Museum - How can bats hang upside down with out passing out? A bat's circulatory systems pumps the opposite way — away from its head. Also, while all
![Why Do Bats Sleep Upside-Down? Questions and Answers about Unique Wildlife Behavior - Chimney and Wildlife Why Do Bats Sleep Upside-Down? Questions and Answers about Unique Wildlife Behavior - Chimney and Wildlife](https://chimneyandwildlife.com/wp-content/uploads/2017/06/bats.png)