The lion (Panthera leo) is one of the five big cats in the genus Panthera and a member of the family Felidae. With some males exceeding 250 kg (550 lb) in .br br The lion (Panthera leo) is one of the five big cats in the genus Panthera and a member of the family Felidae. With some males exceeding 250 kg (550 lb) in we.br br Lions Army Full Documentary - Lion Fight to Death for Territory The lion (Panthera leo) is one of the five big cats in the genus Panthera and a member of the .br br Lions Army Full Documentary - Lion Fight to Death for Territory Documentary Lions Fighting To Death For Territory - Documentary Wildlife wild wild life this .