Animals

Saturday, 20 June 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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Guinea pig
Guinea pigs have well-developed hearing.
With four cochlear ganglia in the inner ear, they can hear sounds as high as 33.000 Hz. Among other ...
Saola
They are one of the world’s rarest mammals.
Their current population is estimated at below 750 individuals.
Octopus
While swimming, the systemic or main heart stops working.
This causes the octopus to tire quickly and therefore the organisms prefer to move along the bottom using their arms.
True seals
Seals breathe using their lungs but are adapted to holding their breath for long periods. Some species can stay submerged for up to 40 minutes.
It allows them to dive to considerable depths and stay underwater for long periods. When diving, the ...
Sand lizard
Like most reptiles, their bodies are covered with scales.
They are smaller and rough on the back, while the abdomen is covered with larger and smooth ones that make it easier for the animal to move.
Lemon shark
It is listed as vulnerable by the IUCN.
It is a target of both commercial and recreational fishing. Its fins and skin hold high commercial value.
Fossa
Typically fossa measures up to 80 centimeters with a tail of 68 to 89 centimeters.
Leeches
More than a dozen species of leeches, primarily from the family Hirudinidae, are used for hirudotherapy.
The most commonly used species are Hirudo verbana - the Asian-Southern European, Hirudo trctina - th ...
Ball python
Ball pythons shed their skin every five to seven weeks.
Octopus
Octopuses have a so-called black pouch.
This organ stores sepia, produced by a nearby gland. Octopuses use sepia to disorient a predator while escaping. They then spray a thick, characteristic black stain.