Animals

Tuesday, 13 January 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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Common Surinam toad
Young Surinam toads only reach the size of adult specimens after several years of growth.
The body dorsum of young specimens is uniformly gray and only after two weeks is there a concentration of dark pigment.
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Tigers
The biggest threat to tigers is human and Asian folk medicine.
Some parts of tigers’ body are used as aphrodisiacs.
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Sperm whale
The sperm whale’s brain is the largest in the world, five times the size of a human brain.
It is the largest known brain of any modern or extinct animal, weighs on average about 7-8 kilograms, and has a volume of about 8000 cubic centimeters.
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Gila monster
Scientists believe that since it preys on small animals and eggs, it evolved to use the venom solely to scare away predators.
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Platypus
The territory of the adult platypus covers an area of about 7 km².
Platypuses live in oval-shaped burrows located near the water surface.
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Sea lamprey
Lampricides are chemical compounds designed to harm sea lamprey's larvae.
It is being used in ecosystems invaded by lampreys, where they endanger local fauna. Usage of lampricides is safe as it does not harm any other aquatic organisms.
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Insects
The blood system of insects is open.
This means they have no veins, but hemolymph (which functions as blood) is forced by arteries into t ...
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Hammerhead sharks
Their length ranges from 0.9 to 6.1 meters, and their weight ranges from 3 up to 580 kilograms.
The biggest of the genus is the great hammerhead. The record holder is a female caught in 2006 who weighed almost 581 kilograms. The reason for her unusual weight, however, was pregnancy.
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Guinea pig
In the Andean countries, the cavy is still used in divination, as it was in Inca times.
From the appearance of their entrails, diviners predict the prognosis of illness, and the animal's fat is used in folk medicine as a treatment for earache or to ease nervous tension.
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Arctic fox
More important than the proximity to the food source is a solid and secure burrow for polar foxes.
They tend to choose the best shelters for their families, using even red fox's burrows on shared ter ...
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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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