The Virginia opossum (Didelphis virginiana). This year's older cub came to drink at the human dwelling.© Karel Bock/Shutterstock.com Animals playing dead is a real, scientifically described behavior ...

Picture a snake on the ground, upside down in the dirt, mouth open and tongue hanging out. Seems to be completely dead. A few minutes later, it quietly flips over and slithers away like nothing has ...