Lions, the kings of the savanna, are captivating creatures. Here are ten intriguing facts about these majestic predators. Lions are the only truly social big cats, living in prides. Males boast impressive manes, signaling their health and strength. They can roar, which can be heard from miles away. Lionesses are the primary hunters. Cubs are adorable but vulnerable. Lions can reach speeds of 50 mph in short bursts. They have exceptional night vision. Conservation efforts are crucial to their survival.