Asiatic lion in size to the Central African lion, and smaller than large African lions. Adult males weigh , while females weigh . Colour and development of manes in male lions varies between regions, among populations and with age of lions. In general, the Asiatic lion differs from the African lion by a less developed mane. The manes of most lions in ancient Greece and Asia Minor were also less developed and did not extend to below the belly, sides or ulnas. Lions with such smaller manes were also known in the Syrian region, Arabian peninsula and Egypt, whereas Barbary and Cape
Predator (fictional species) and which drives them to hyper-aggression. When this gland is over-stimulated, it sends the creatures into a frenzied rage, causing them to attempt killing any living thing in sight, including members of their own species. This "kill rage" can be contagious and spread from one Predator to another, driving them all to attack each other. The Predators as a species barely survived the wars provoked by their kill glands, and they have learned to control the gland's secretions with artificial hormone regulators. In Ian Edginton and Alex Maleev's graphic novel "Aliens vs. Predator: Eternal" and the videogame "Predator: Concrete Jungle",