It's tough at the top, and a lion's reputation as an apex predator can't always protect it from danger. Learn more about the contentious relationship between African lions and martial eagles: https://on.natgeo.com/3ZN5fqT Host: Helen Thompson | National Geographic

Newborn sea lions open their eyes to one of the most crowded shores on Earth—and immediately have to fight to survive. | National Geographic

3.4K views · 71 reactions | Lions are often seen as one of Africa's most iconic animals. Sadly, Cecil the lion was destined to become one of Africa's most famous animals too. In 2015, Cecil's demise at the hand of hunters was splashed across the media, but his story before he was killed is worthy of celebrating. Follow his life story in Cecil: The Legacy of a King, Monday at 9pm on National Geographic Wild. Big Cat Week: All day, every day from February 1st. | National Geographic UK | Facebook