They forge their hollows between 0.3 and 8 meters above the ground.
Their body length ranges from 60 to 182 centimeters.
Brittle star stomach is divided into ten pouches where food is digested.
They can lift objects 150 times heavier than their body weight.
The Hyacinthine Macaw is an endangered species.
Saola were first discovered in 1992 by Vietnamese biologist, Do Tuoc.
They are omnivorous.
It was one of the largest, if not the largest carnivorous dinosaur that ever lived on Earth.
More important than the proximity to the food source is a solid and secure burrow for polar foxes.
They can grow up to 60 cm long.
The blood of the horseshoe crab shows a very interesting feature that is used in the biomedical industry.
Leech saliva has specific properties.
Typical goblin shark measures 3 to 4 meters in length.
Parthogenesis occur when no males are present.
Their primary sense is vision.
It was first described and cataloged in 1790 by the English physician and naturalist John Latham.
American robins are omnivorous.
Female quokkas developed a rather drastic survival instinct.
Until the early 20th century, platypuses were eagerly hunted for their fur.
Juvenile fish have green skin and yellow stripes run along the body.
Seals do not have auricles.