How the lion lost its strength: big cats' survival at risk as DNA

The legacy of colonial hunting has made the king of beasts genetically feebler and more vulnerable

Lions and Tigers and Joe Exotic: Big Cats Suffer in Traveling Acts

Big Cat Threats SEEtheWILD Wildlife Conservation Resource

Big Cats (A Day in the Life) - Neon Squid

About Mountain Lions - Mountain Lion Foundation

Pet Myths: Are Pet Cats Descended from Lions & Tigers?

Big cats, facts and information

Lions face same threats as extinct Ice Age cats - study - BBC News

P. leo leo Barbary Lion

Machairodontinae - Wikipedia

Is a lion a cat? - Quora