Animals

Friday, 1 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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Spiders
They usually have eight eyes equipped with lenses. This distinguishes them from insects that have compound eyes. Most spiders' eyesight is not particularly well developed.
However, this is not a rule, as there are families of spiders with six (Haplogynae), four (Tetrablem ...
Tigers
The biggest threat to tigers is human and Asian folk medicine.
Some parts of tigers’ body are used as aphrodisiacs.
Sand lizard
The sand lizard belongs to the family of true lizards.
It is an extensive family with about 300 species divided into 39 genera.
European tree frog
The skin of European tree frogs is smooth on the back and porous on the abdomen.
Their back can be green, gray, or light brown. The color can change due to temperature, humidity, or ...
Snails
However, there are snails that do not have radula.
The only such representative of land snails is Careoradula perelegans (careo in Latin means missing) ...
Northern pike
The pike eggs are sticky and yellow, 2.5 to 3 mm in diameter.
They hatch into fry about 10 mm long, which remain in the embryonic stage for 5 to 16 days. The leng ...
Hammerhead sharks
Their length ranges from 0.9 to 6.1 meters, and their weight ranges from 3 up to 580 kilograms.
The biggest of the genus is the great hammerhead. The record holder is a female caught in 2006 who weighed almost 581 kilograms. The reason for her unusual weight, however, was pregnancy.
Arabian oryx
The only natural predator of the oryx is the wolf.
In the fight against wolves, oryxes are favored by the difficult living conditions.
Lemon shark
They are commonly found in coastal subtropical waters.
They occupy mostly the eastern shores of both the Americas, the Caribbean and the Gulf of Mexico, and the western coast of north and central Africa.
Brittle stars
For locomotion, brittle stars use their arms.
Arms are elastic and allow the brittle star to move relatively fast. Four of five arms are used for ...