Animals

Tuesday, 6 January 2026

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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Zebra mussel

They reproduce sexually.

Fertilization takes place in water. The number of eggs produced by a female may reach one million. Usually, in every cycle, from 30 to 40 thousand eggs can be produced.

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French Bulldog

It is vital to monitor their weight, as exceeding 12 kilograms may be dangerous to their health.

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Grey heron

Both parents incubate the eggs.

About 25 days pass from laying the egg to hatching. After the young hatch, the male and female are a ...

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Rice's whale

Along with vaquita, it is considered one of the most endangered cetaceans.

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Pterodactyls

Pterodactyls had four fingers.

Their wings, made of skin and muscle membrane, stretched from the fourth elongated finger.

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Spotted hyena

Spotted crocs are found in large areas of Africa, south of the Sahara.

Their range extends from the Sahel (a geographic area stretching along the southern fringes of the S ...

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Glass frogs

Most of them are small with adults rarely exceeding 30 mm (1,2 in) body length.

Some species on the other hand can grow much larger up to 80 mm (3 in).

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Clownfish

The most popular clownfish species is Amphiprion ocellaris, which is eagerly kept in reef tanks throughout the entire world.

It might be the most popular saltwater fish. Here is some detailed information on Ocellaris anemonef ...

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Guinea pig

There is sexual dimorphism in the domestic jackdaw.

Males are noticeably larger than females. Representatives of both sexes have one pair of nipples, ea ...

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Ocean sunfish

The body is covered with thick and elastic skin.

The skin is particularly thick in the abdominal region, where it can be up to 7.3 cm (2,87 in) thick ...

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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

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

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

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

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

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

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

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

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

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

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

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

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

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

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 ...