petmd.com

kJ0Om TIL that dogs intentionally try to make humans laugh. They understand that laughter means play, and play is positive.
dDWxZ TIL cats can't be vegan or vegetarian. They are obligate carnivores, meaning their anatomy and physiology are designed to get the nutrients they need from animal tissues, not from plants.
ANApw TIL some dogs eat their own poop to destroy the evidence because they’re worried about being punished.