Animals

Tuesday, 20 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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Bird of Paradise
There are also males, such as the Raggiana bird of paradise, that perform their mating dance in a group of several to as many as 20 individuals.
So the females can choose. Unfortunately, the female is later left alone, the whole effort of raising the offspring falls on her.
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Rice's whale
It was identified as a separate species in 2021.
It was named in recognition of Dale Rice’s discovery of the species.
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Portuguese man-of-war
They consist of a floating, gas-filled bladder (pneumatophore), and submerged tentacles.
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Laughing kookaburra
Apart from the distinctive laughter, laughing kookaburras have a variety of different sounds.
It all depends on the occasion – the range of calls vary whether its purpose is to show aggression, find other family member or raise an alarm.
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Brittle stars
Some species, however, are hermaphroditic or protandric.
Protandric animals produce male and female gametes at different times. Hermaphroditism is the occurr ...
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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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Tigers
An average lifespan is 10 to 15 years.
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Common cuckoo
The common cuckoo begins to lay eggs in early July.
During this time it is able to produce and lay 10 to 20 eggs. There are usually two days between egg ...
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Earthworms
The functions of the brain in earthworms are performed by the periaesophageal ganglion, which in ringworms is divided into supraesophageal and subesophageal ganglia. These ganglia are interconnected and form the periaesophageal ring.
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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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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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