Impressive animal images in 2013

The largest Mississippi crocodile, newly discovered tyrant dinosaurs, NASA flying frogs are impressive animal images in 2013.

The biggest crocodile ever caught in Mississippi, USA, weighs nearly 330kg, is longer than 4m.The crocodile was caught on September 1.

American scientists discovered the new tyrant dinosaur, which appeared 80 million years ago and is considered one of the largest predators of all time.

Olinguito is a new carnivore, a relative of pandas, discovered in August. This is the first time a new carnivore has been discovered in the Americas for 35 years. Their names are derived from the Spanish language meaning "small olingo", because they are similar in shape to olingo but smaller in size.

A 5.5m-length paddle fish was discovered on the southern coast of California, USA, in October.

The photo faithfully and vividly records the attack of two jaguars, in a Brazilian river.This is a photo won the Wildlife Photo Contest of the Year.

The frog accidentally strayed into the photo of NASA launching LADEE to explore the moon on September 6.

A colorful parrot is parked on a branch outside a cafe in Cuzco, Peru.

Photographs of primates in a zoo show that they have acts of love, anger, grief, joy and even violence.

A panda born on August 23 at a zoo in the US, weighing 136 grams.At birth, the panda does not have black and white fur as adults.

The embryo magnified image of a colored chameleon, to float the bones (red) and cartilage (blue).

A tiger is waving water after bathing.

A pig is swimming towards a boat, in Big Major Island, Bahamas.Pigs have been brought to the island many years ago.Since they lived here, they gradually became familiar and no longer fear the boats anchored around.

The eagle rushed from above and attacked a small deer walking on the ground.The image was recorded in an area in southern Russia, through a digital camera trap.

A cat was sitting on a pile of white ash, after the Sinabung volcano in Indonesia erupted violently with smoke rising 4m.The eruption in September was the first time this volcano had been active again since 2010.

Image taken near a dragonfly.By taking this shot, the dragonfly looks like it's laughing.