Rathalos: Terrible wyverns called "Kings of the Skies". Along with Rathians, they stake wide territories centered around their nest. Rathalos descend on invaders from the sky, attacking with poison claws and breath of fire.
Rathian: Fire-breathing female wyverns called "Queens of the Land". With powerful legs and poison-secreting tails, they hunt mainly on the ground. Sometimes seen preying as couple, Rathians and Rathalos cooperate well.
Rathalos and Rathian belongs to CAPCOM.