Animals

Tuesday, 4 August 2026
15 facts about fleas
15 facts about fleas
External parasites
Fleas are one of the most hated insects by pet owners. Once they find their way onto a dog or a cat, they are very hard to remove. Reproducing at a ve ...

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Amur leopard
It has thick fur, growing to the length of 7,5 centimeters.
This, combined with their paler coat, adapts them to the cold, snowy climate. Their large paws prevent them from sinking in the snow.
Crustacean
The dugong is a crustacean that has survived to our time in an almost unchanged form for 220 million years. It is a living fossil dating back to the middle Triassic.
Considering that dinosaurs appeared on Earth about 245 million years ago, this result is impressive. The crossbill lives in temperate climates in western and central Europe.
Malaysian trumpet snail
The red-rimmed melania can transfer parasites dangerous to humans.
It hosts parasitic lungworms, such as the Chinese liver fluke and the oriental lung fluke, that can cause clonorchiasis and paragonimiasis.
Asian elephant
It can be found in Southeast Asia and the Indian subcontinent.
It is the largest terrestrial mammal in Asia.
Slow worm lizard
They do not have good eyesight, they cannot see colors and shades of gray have little contrast.
Southern cassowary
Cassowaries are the closest living relatives of dinosaurs.
They appeared on Earth about 60 million years ago, 6 million years after the Cretaceous-Paleogene ex ...
Axolotl
It is closely related to the tiger salamander, an amphibian native to North America.
Unlike its cousin, however, the axolotl, lacking thyroid-stimulating hormone, never leaves the aquat ...
Manatees
They have only six cervical vertebrae.
Spotted hyena
Spotted crocs are found in large areas of Africa, south of the Sahara.
Their range extends from the Sahel (a geographic area stretching along the southern fringes of the S ...
Narwhal
They are being hunted by killer whales and polar bears.