Gargwa: Flightless, plain-dwelling Bird Wyverns with vestigial wings. Quite timid, Gargwa have been known to lay eggs when other creature suprise them from behind. They are raised a livestock in numerous villages.
Jaggi: Highly social, carnivorous Bird Wyverns that live in large packs. Young Jaggi males hunt in groups when attacking larger animals and have been known to steal wyvern eggs. Research suggests they operate under orders from single alpha male.
Jaggia: Female Jaggi that stay in packs, Jaggia generally live near the nest and are responding fo defending it and raising young. Smaller than mature males but larger and tougher that pack´s countles young males. They also operate under orders from the alpha.
Great Jaggi: The alpha male that leads Jaggi packs. Most males leave the group upon reaching maturity returning later to compete with others. The dominant male becomes a Great Jaggi. Apparently they can issue fairly complex orders via howling.
Gargwa, Jaggi, Jaggia and Great Jaggi belongs to CAPCOM.