When we humans see facial expressions like relaxed, open mouths, our faces automatically ... the receiver did not smile back and the initiating dolphin didn't bite its playmate.

Dubbed the world’s happiest animal thanks to its constant smile like expression and friendly nature. Always wagging, loyal ...

An old video of a heartwarming chat between a toddler and a friendly dolphin has surfaced on social media, melting hearts all over again. The interaction seemed like the girl and the dolphin had ...