Animals

Friday, 9 October 2026
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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Viper dogfish
The gestation period is estimated at 1.5 to 2 years.
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Leeches
Leeches are hermaphrodites.
They use cross-fertilization and developed complex mechanisms to prevent self-fertilization. Leeches ...
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Pink river dolphin
It is the largest of the river dolphin species.
A full-grown dolphin measures up to 2,7 meters long and weighs approximately 180 kg.
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Brittle stars
There are species with no larval stage at all.
Amphipholis squamata, common in all parts of the British Isles is one of them.
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Turtles
They are among the longest-lived vertebrates.
The record holders are elephant tortoises, which live more than 100 years, and among them is a torto ...
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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.
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Common Surinam toad
Its body shape is clumsy, dorsally flattened - it resembles an angular flounder.
Its weight does not exceed 500 g. The muzzle is pointed, and the thorax is wide with a square outlin ...
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Crustacean
The diet of different crustacean species varies greatly.
Most are scavengers but some are carnivores, some are herbivores, and still others are filter feeders or parasites. The prey of parasitic crustaceans is usually fish, whales, or other crustaceans.
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Adder
Adults feed on insects, lizard frogs, small mammals, and bird chicks.
Young adders mostly eat insects, snails, earthworms, young amphibians and reptiles. The viper attacks its prey by injecting its venom and then eats the dead one.
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Jellyfish
The jellyfish “bells-and-tentacles” stage is called a medusa.
The name derives from Greek mythology and refers to snake-haired Gorgon Medusa.
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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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