TIL that rattlesnakes can form "friendships", and being in the presence of their friend reduces their stress.

https://news.llu.edu/research/stressed-rattlesnakes-discover-calmness-company-of-nearby-friend-researchers-find
#til #todayilearned
https://www.reddit.com/r/todayilearned/comments/1gthtx6/til_that_rattlesnakes_can_form_friendships_and/