Animals

Sunday, 31 May 2026
27 facts about turtles
27 facts about turtles
The only vertebrates so armored
The first turtles appeared on Earth at the end of the Permian about 240 million years ago. Although the first ones had neither plastron nor carapace, ...

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Viper dogfish
Its skin is covered in nonoverlapping dermal denticles.
Sea lamprey
Why are sea lampreys so detrimental to the Great Lakes ecosystem?
In their natural habitat - an Arctic Ocean - fish are accustomed to lampreys, so in most cases, thei ...
Housefly
The eyes of flies provide a 360° field of vision.
They are brownish-reddish in color, compound and consist of about four thousand ommatidia.
Boa constrictor
They are aided in their hunting by their body coloring, which often matches their surroundings.
Their skin color is made up of patches of brown, gray, and cream. The dark brown patches are less pronounced near the head and become more intense the closer they are to the tail.
Cane toad
Juvenile cane toads have dark, smooth skin.
They lack the large parotoid glands of adults, so they are usually less venomous.
Clownfish
They are very hierarchical animals.
On the top of hierarchy, there is the most aggressive and largest female.
Horseshoe crab
Horseshoe crabs breathe using book gills.
This organ is made of gills covered with large surface area for absorbing oxygen. It's located in the rear part of the animal body between the legs and the telson.
Spiders
The body of spiders is composed of two segments (tagms).
These are the cephalothorax and the abdomen, which are connected by a style. In front of the cephalo ...
Amur leopard
Cubs stay with their mother for a period of two years.
After this period, they become fully independent and capable of surviving on their own.
Lemon shark
Lemon sharks do not have known natural predators.
Their pups tend to fall prey, however, to other sharks.