Where big big cats live?
The true big cats are tigers, lions, Jaguars, leopards, and snow leopards. Tigers live in woodlands, grasslands, and forests in Asia. Lions live in grasslands, scrublands, deserts, and open woodlands of Africa and northwest India. Leopards live in deserts, grasslands, woodlands, and forests in Asia and Africa. Jaguars live in wetlands and rainforests in Central America and South America. Snow leopards live at high elevations on mountains in Central Asia.
Lions live in prides; a pride consists of a dominant male, a number of females in his "harem", and a number of juveniles. Male juveniles are chased away from the pride when they mature. Cheetahs also seem to live in small groups. Apart from that, I don't believe any big cats live in groups larger than mother and immature children.