Bat Conservation International on Twitter: "Upside-down cuddle puddle. 😍 🦇 lesser false vampire bat, 𝘔𝘦𝘨𝘢𝘥𝘦𝘳𝘮𝘢 𝘴𝘱𝘢𝘴𝘮𝘢 📷 Charles M. Francis https://t.co/bZRdCEcTCs" / 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
![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)