Animals

Saturday, 15 November 2025
19 facts about snails
19 facts about snails
Also called gastropods
Snails are mollusks and are one of the most numerous animal species in the world. In terms of species diversity, they are second only to insects. Even ...

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Earthworms
They belong to invertebrates and the hydroskeleton is responsible for supporting muscles in their bodies.
This form of stabilization relies on the production of adequate hydrostatic pressure, which, by pushing against the cell walls, allows muscles to be supported.
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Insects
Most insects reproduce sexually and by laying eggs.
They are fertilized internally using external genitalia. The design of the genitalia can vary signif ...
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Portuguese man-of-war
The number of their population is currently unknown.
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Dodo bird
We can only determine the appearance of the dodo bird from subfossils - not fully fossilized.
Subfossils are the remains of living organisms that died on the geological scale more recently, in t ...
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Amur leopard
The first mention of the Amur leopard dates back to 1857.
Hermann Schlegel, a German zoologist, discovered its pelt while on a survey in Korea.
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Hyacinth macaw
The legs of this parrot are gray.
There are four toes on each leg - two pointing forward (third and second) and two pointing backward ...
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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 ...
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Spiders
The vast majority of spiders reproduce sexually. Semen is not introduced into the female's body through the genitals, but stored in special containers located on the pedipalps.
Only after these containers are filled with sperm does the male set out to look for a partner. Durin ...
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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 ...
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American robin
There are about 320 million of this birds, so they are not an endangered species.
IUCN lists robins as LC (least concern).
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28 facts about spiders
28 facts about spiders
One of the first creatures to appear on land
The first ancestors of today's specimens appeared on Earth about 400 million years ago. They evolved from marine organisms of the chelicera subphylum. ...
17 facts about dolphins
17 facts about dolphins
Very intelligent and social mammals
They live in both oceans and rivers. They often travel in large herds, sometimes exceeding 1000 individuals. They have their language, which we have n ...
41 facts about octopus
41 facts about octopus
Very intelligent animals with amazing abilities
Octopuses are cephalopods with eight arms. So far, about 300 species of octopuses have been identified. The first octopuses appeared on Earth about 32 ...
20 facts about earthworms
20 facts about earthworms
Very useful organisms that live in the soil
They are geographically very widespread organisms. They are found in Europe, Asia, North America, and northern parts of Africa. They inhabit all types ...
22 facts about crustacean
22 facts about crustacean
Armored invertebrates
They mainly inhabit aquatic environments where they live on the seafloor (a record-breaker has been found at a depth of 10.5 km) or float in the depth ...
19 facts about central bearded dragon
19 facts about central bearded dragon
Pogona vitticeps
This interesting lizard occurs only on the Australian continent. Although its appearance may be discouraging, in fact, it is a completely harmless ani ...
19 facts about grey heron
19 facts about grey heron
Ardea cinerea
This large and interesting water bird appears in Central Europe during the breeding season and only in the north-west of the country can it be found a ...
16 facts about tasmanian devil
16 facts about tasmanian devil
Sarcophilus harrisii
They used to inhabit the Australian continent, but for unexplained reasons, disappeared from there about three thousand years ago. Today, they can onl ...
20 facts about sperm whale
20 facts about sperm whale
A vital element of the marine ecosystem
In the depths of the oceans, where sunlight loses its meaning, reigns one of the most majestic and enigmatic inhabitants of the seas–the spermaceti sp ...
20 facts about mallard
20 facts about mallard
Anas platyrhynchos
The common mallard is the most popular game bird in Central Europe, i.e. Poland. It is very numerous and easily inhabits various environments to which ...
14 facts about Brazilian wandering spiders
14 facts about Brazilian wandering spiders
They travel stowaway, and on top of that they bite
These spiders are found in forested areas of South and Central America. They actively hunt small animals, which they then paralyze with their venom. T ...
19 facts about American mink
19 facts about American mink
Furry commando
The American mink is a species common in North America, where it lives in the wild. It was introduced to Europe in the 1950s and spread throughout Eur ...
13 facts about European mole cricket
13 facts about European mole cricket
Gryllotalpa gryllotalpa
They get their name from the fact that they often damage crops and cause losses. At least that used to be the case, as the population of these insects ...
17 facts about spotted hyena
17 facts about spotted hyena
Laughing hyena
The spotted hyena is one of Africa’s most recognizable animals, also known as the laughing hyena. It is the largest living member of the hyena family, ...
20 facts about guinea pig
20 facts about guinea pig
Cavia porcellus
The guinea pig (Cavia porcellus), also known as the domestic cavy, is a medium-sized rodent native to the Andean regions of South America. Where it co ...
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