In this collection of photographs, in which animals are depicted laughing and happy. Probably somewhere authors pictures yet worked with Photoshop, but most of the pictures are quite plausible. So, watch and charge a positive attitude ... Let's start with the elephant, whose face is clearly visible smile.
Pomeranian named Boo, obviously pleased with his costume:
But a unique picture of a crocodile. It seems as if it was bursting with happiness :)