Margay
Pictures

One of the smallest cats, the Margay, can hang from a branch of a tree by one back foot.

Of all of the felines, the Margay is most adapted for true arboreal life. It is the only cat to possess the ability to rotate its hind legs 180°, enabling it to run headfirst down trees like squirrels.

Marguay (Felis wiedii) resting on the forest floor. It mainly rests and sleeps in trees, making its nests in hollows and is regarded as being more arboreal and better adapted to living in trees than other species of cat.