Animals

Saturday, 11 April 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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Basking shark
Despite their slowness, they are capable of sprinting and jumping completely out of the water.
These jumps may be an attempt to rid their bodies of ectoparasites, including sea lampreys that bite ...
Brittle stars
Brittle star stomach is divided into ten pouches where food is digested.
The stomach makes up most of the ophiuroid disc.
Fossa
They are both diurnal and nocturnal.
Fleas
In the Middle Ages, fleas were associated with Black Death.
They carried a bacterium called Yersinia pestis, which they transferred onto humans once the populat ...
Arctic fox
Although not as good as the red fox or dog, their hearing is good.
They can hear in the 125 – 16,000 Hz range. They can hear lemmings digging at a depth of 10 – 15 centimeters.
Earthworms
There are species of earthworms that are resistant to frost, which makes their area of distribution reach as far as Siberia.
Ball python
The ball python is non-venomous.
It relies on 100 to 150 sharp teeth to disable its prey.
Bull snake
They evaluate whether animal is predator or prey by its size.
If animal is too big to consume they take defensive action, otherwise they are ready to attack.
Horseshoe crab
During the breeding season, horseshoe crabs migrate to shallow coastal waters.
The smaller male clings to the back of the larger female with specialized front claws and fertilizes the eggs, which are then deposited in the sand.
Gila monster
Its name derives from the Gila River basin in Arizona.
It was where they were first discovered in the 1800s.