The most adorable animal pictures in 2012

The pandas sleep well in the Chengdu Panda Breeding Center, China.

Golden-headed monkey at San Francisco Zoo, USA.

Rhinoceros a horn tossing and playing at the Sanfari wild park, San Diego.

Professional snow leopard 'pro' in front of the lens.

Monkey kids do rock climbing.

The duckling considers dogs like their new mother after duck's mother is killed by a fox.

Two mother whales wrapped in the sea.

The young orangutan is sucking on her mother.

The cat cat, which is larger in size than the wild cat, is a rare animal that needs strict protection.

This antelope has long legs and can run very fast.

Savannah sparrow is a common bird in North America.

This snake tentacle is the "star" at Smithsonian National Park because its staff has spent more than four years studying and helping this species breed in an artificial environment.

Two lovingly gray mother seals together in the sunshine of the dawn.

Baby panda looks extremely lovely.

The owner of the fossil footprint is a Massospondylus dinosaur and is on a four-foot walk.