FusionDex

Both of Giravoir's heads have protective inclinations, but the tail's head is more impulsive, owing to its smaller and simpler brain. It has a habit of shooting psychic energy from its mouth at anything that gets too close to its Trainer.

It apparently does not feel the pull of gravity because it supports itself with psychic power. A Giravoir is an herbivore--it eats grass and tree shoots.