Here are some interesting facts about lions:

Social animals: Lions are the most social of all cats and live in groups called prides. 

Manes: Manes on male lions help them look bigger to attract mates and intimidate rivals. 

Hunting: Lionesses do most of the hunting, but males sometimes join in to hunt larger prey. 

Hunting tactics: Lions hunt at night or during storms when their prey is less likely to see or hear them. 

Habitat: Lions live in grasslands and plains, not jungles. 

Sleeping: Lions sleep or rest up to 20 hours a day, making them the laziest of the big cats. 

Cubs: Lion cubs are born with spots that fade as they grow older [1, lion cubs are reared together. 

Water: Lions can get water from plants. 

Size: Male lions can weigh up to 30 stone. 

Population: Nearly all wild lions live in Africa, but there is a small population elsewhere. 

Manes and climate: Some male lions don't develop manes to adapt to hot climates.