As of 2014, there are approximately 23,000 lions in the world. Lions live primarily in open grassland and woodland areas in sub-Saharan Africa. Lions are susceptible to extinction as they continue to lose their natural habitats.
Lions are not susceptible to attacks by predators when with their packs. However, when alone, they are sometimes vulnerable to attacks by groups of hyenas. Humans have hunted lions as trophies and have killed them when they posed a threat to farm animals.
Lions can weigh up to 550 pounds and can reach a top speed of 35 miles per hour. They live up to 15 years and reach sexual maturity in 2 to 3 years.