Earthworm is one of the slimiest creatures in this world. There are approximately 2,700 different kinds of earthworms. Charles Darwin spent 39 years studying earthworms more than 100 years ago. Worms are hermaphrodites. Each worm has both...

Spiders have two body segments. The front segment is called the Cephalothorax. The second part of the body is called the Abdomen. There are more than 30,000 species of spiders. There can be up to nearly 5 million spiders per hectare. A jumping...

Otters are semi-aquatic (or in one case aquatic) fish-eating mammals. With thirteen species in seven genera, otters have an almost worldwide distribution. The only continents where otters do not live are Australia and Antarctica. They mainly eat...

The Golden Lion Tamarin is also known as Golden Marmoset. This lion tamarin is a reddish orange to golden brown in color. The tail and forepaws of this monkey may have a black coloration. Its body may be up to 335 millimetres (13.2 in) long and...

Sheep were domesticated by humans around 10,000 BC. Spinning wool into thread began about 5,000 years ago. Sheep originated in the mountains of central Asia. Depending on the breed, the mature weight for female ewes range from 90 to 300...

The heaviest crustacean ever found was a lobster weighing 42 lb (19 kg), caught in 1934. Lobster can have many different colors, including blue-green, blue, red, yellow, red-orange and white. A lobster has 19 body parts and each of them is covered...

Unlike almost any other American animal, the coyote -- known for the way it howls in late evening and early morning -- can be found in every state except Hawaii. Native Americans thought the coyote arrived with the first man and woman and would...

Nature never stops to amaze us with the variety of life forms accomplished in millions of years of adaptive evolution .The appearance of transparent creatures aimed their survival in hostile environments full with predators. Transparent Jellyfish Most...

Wrinkled skin of Shar Pei dog looks this way because in the past, this species was used to fight. His large amount of wrinkled skin of Shar Pei's was harder to be bitten by the opponent and less painful for him. Shar Pei dogs were so effective in...

If you went to the zoo and asked to see a cougar, a puma, a mountain lion, a panther, a painter, a catamount, an American lion, a deer tiger, a brown tiger, an American ghost, a mountain devil and a night screamer, you might be surprised at how little...

Porcupines are the third largest of the rodents, behind the capybara and the beaver. Most porcupines are about 25–36 in (63–91 cm) long, with an 8–10 in (20–25 cm) long tail. Porcupines occupy a wide range of habitats in tropical and...

Chinchillas are originally from the Andes in South America. The name 'Chinchilla' comes from a South American Indian tribe and means Little Chinta. Chinchillas can be found in a variety of colors including the standard gray (the only color found in...