Looks like mandalas This fish creates works of art to attract females
Mandalas often appear in the sea sand off Japan. Today, scientists know who is responsible for this: the artist pufferfish.
Wildlife
Fat Bear Week Alaska "Fattest bear" wins bizarre competition once more
The world's fattest bear is crowned during "Fat Bear Week". Bear Grazer had a personal score to settle with a bear this time.
Up to 700 kg Six facts worth knowing about the world's largest turtle
The leatherback turtle is the largest living turtle in the world. You can find out more exciting facts in this article.
Study shows How shrews increase their heart rate to 1020 per minute
Shrews have one of the fastest heartbeats in the animal kingdom. A study has now discovered how shrews get the heart rate up.
Hariotta avia Ghostly new shark species discovered in the deep sea
Less is known about the deep sea than about the moon. A newly discovered species of ghost shark is also very mysterious.
Behavior explained The curious reason why martens bite car cables
Over 200,000 cases of marten damage to motor vehicles are reported every year. But what fascinates martens so much about cables in cars?
Study shows for the first time Octopuses cooperate with fish when hunting and even "share" the prey
A study shows that octopuses form hunting groups with different fish and coordinate them by striking them with their tentacles.
Study provides initial evidence Bumblebees make the same mistakes as humans
Insects also have to remember a lot. According to a study, bumblebees make mental errors similar to those of humans.
Study shows Drug-addicted fish and aggressive birds! How pharmaceutical waste affects the animal world
A new study has shown that pharmaceutical waste and drugs leave more traces in nature including drug-addicted-fish and aggressive birds.
Not just orangutans! Study shows gorillas use plants medicinally
A new study shows that gorillas produce remedies. Some of the medicinal plants could be interesting for human medicine.
In Norway After an eagle attack on a toddler: Expert explains the behavior
In Norway, a case in which a small child was attacked by a golden eagle is making headlines. PETBOOK spoke to an expert.
In the Salish Sea Study shows that ship noise hinders orcas' hunting
A new study has found that ship noise in the oceans disturbs orca whales enormously when hunting. ship noise hinders orcas
Tradition Why Icelanders are throwing puffins off cliffs
In Iceland, there is a tradition of throwing puffins off cliffs. However, this is done for a good reason. Read why on PETBOOK.
Native wild animals Why you so rarely see dead birds
Why is it so rare to see a dead bird? PETBOOK spoke to an expert and explains the reasons as well as how to protect them.
Ocelot, Manul, Kodkod, ... Hardly anyone knows these 16 wild cats
Everyone knows the lion, cheetah, or tiger, but what about the manul or the kodkod? PETBOOK presents 16 little-known wildcats.
8500 gestures Chimpanzees communicate with sign language as fast as humans speak
Chimpanzees are among the closest relatives of humans — and they use complex sign language to communicate just as effectively as humans do.
Attention vacationers! The most dangerous animals in Europe
In Europe, you may encounter many animals that are dangerous for humans and dogs (not only on summer vacation). PETBOOK introduces them.
Sloths are not ranked number 1 The 8 slowest animals in the world
There are true masters of deceleration in the animal world. PETBOOK presents the eight slowest and most leisurely animals.
Fluffy camelids Should you take wedding photos with alpacas?
Many people think alpacas are cute and would like to take wedding photos with the animals. However, there are a few things to keep in mind.
Invasive species Why Pablo Escobar is responsible for the existence of hippos in Colombia
Because of drug boss Pablo Escobar, there are now hippos in Colombia that are turning the environment upside down.
Biological phenomenon From 6 to 900! How bats get their heart rate up to full speed
Bats can regulate their heart rate up and down from 6 to 900 beats per minute. A study investigates the purpose of this.