Barbary lion the King of Morocco's collection. At the beginning of the 21st century, the Addis Ababa Zoo kept 16 adult lions. With their dark, brown manes extending through the front legs, they looked like Barbary or Cape lions. Their ancestors were caught in southwestern Ethiopia as part of a zoological collection for Emperor Haile Selassie I. In March 2010, two lion cubs were moved to the Texas Zoo in Victoria, Texas, where efforts were made to preserve Barbary lions under the WildLink International conservation programme. Whether the cubs are of Barbary lion descent was not determined. In 2011, the Port Lympne
Apex predator Cambrian period when animals such as "Anomalocaris" dominated the seas. Humans have for many centuries interacted with apex predators including the wolf, birds of prey and cormorants to hunt game animals, birds, and fish respectively. More recently, ecotourism such as with the tiger shark has become popular, and rewilding with predators such as the lynx has been proposed. Apex predators affect prey species' population dynamics and populations of other predators, both in aquatic and in terrestrial ecosystems. Non-native predatory fish, for instance, have sometimes devastated formerly dominant predators. A lake manipulation study found that when the non-native smallmouth bass was