Some parrots have been known to tease other animals for fun, for example by whistling at and confusing the family dog. There's even evidence that rats enjoy a good laugh. For the last decade or so, Jeffrey Burgdorf, research associate professor at Northwestern University in the US, has been tickling rats for a living. 🧵 2/3
@tchambers these links are great but whatever client you're using is making a mess out of them. Markdown doesn't travel well and the posts within the thread are in random order