Animals

Monday, 9 March 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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American bullfrog
It is an amphibian of the family Ranidae, commonly known as the true frog.
Brittle stars
To sustain life, the brittle star must have a central disc and at least three arms.
Regeneration of lost limbs requires a lot of energy, very often more than an animal can deliver by consumption. In many cases, it reduces fat deposit reduction and impairs gonadal function.
Boa constrictor
The Boa constrictor spiecel is not endangered.
Its population has declined only in some areas where it is captured for trade or killed by predators. It is considered an invasive species in Florida.
Red-necked wallaby
The population of red-necked wallabies is not threatened, and their numbers are stable.
There have been times when increased human hunting for meat and fur, as well as farmers' treatment o ...
Hippopotamus
Two modern living species can be distinguished within the Hippopotamidae family - Choeropsis liberiensis, called pygmy hippopotamus, native to the forests and swamps of West Africa, and Hippopotamus amphibius, also called common hippopotamus, native to sub-Saharan Africa.
Yellow spotted lizard
Contrary to popular opinion, they are not venomous reptiles.
Yet, they have very sharp teeth which can do a unpleasant pain after a bite.
Dodo bird
Realistic illustrations of the dodo bird were recorded on the ship’s log by the sailor Gelderlandt in 1601-1603.
The diary contained seven sketches of living birds. Ornithologist Alfred Newton published them in 18 ...
Insects
At least 66 species of insects have gone extinct in modern times (since 1500).
Most of these extinct species inhabited oceanic islands. The factors posing the greatest threat to insects are artificial lighting, pesticides, urbanization, and the importation of invasive species.
Ladybugs
Ladybugs display some impressive defense mechanisms.
Their bright colors warn of potential predators, suggesting they are not a tasty treat. Apart from t ...
Siberian roe deer
The Siberian roe deer are vocal.
Scientists distinguished six different sounds they use to communicate: screaming, rasping, whining, barking, whistling, and squeaking.