A therian is someone who identifies as an animal in a non-physical way. Meaning, we know we're human. Therians often do quadrobics, vocals, and wear sorts of gear as a way to connect to that certain animal. Quadrobics is a sport/exercise that involves people walking on all fours. It builds arm muscles. Vocals are making the noise of the animal you identify as. Gear ranges from masks and tails to gloves with pads. However, not all therians wear gear, do quadrobics, or vocals. Many people think that all Therians are girls and are teenagers. This is not true. Therians can be of any age, gender, and race. But, yeah, that's what a therian is.