Wildlife

Depiction of the Dinosaur Tyrannosaurus Rex

Fascinating Evolution Researchers Solve the Mystery of Why T. Rex Had Tiny Arms

Why did the T. rex have such small arms? A new study offers clues on how the predatory dinosaur's hunting strategy may have evolved.

Raccoon on a House with a Garden in the Background

Humane Animal Control Raccoon in the Garden and House? 6 Tips to Keep It Away

Raccoons can wreak havoc in the garden. Nothing is safe from these small mammals. Here are six tips to keep raccoons out of your garden.

Biologist Explains Do Hornets or Wasps Actually Make Honey?

Do wasps make honey? PETBOOK explains why wasps and hornets visit flowers but don't store honey.

Flirting with Consequences Unbelievable! Male Turtles Push Females Off the Cliff

The Hermann's tortoises on Golem Grad should be living carefree. However, their own mating drive is now becoming their downfall.

A butterfly rests on the outstretched palms of a person.

Unpleasant Truth The Real Reason Butterflies Land on People

Why Do Butterflies Land on People? The behavior isn't symbolic. For many, the reason is actually quite off-putting.

The Largest Deer in the World Elks Return to Germany–Here’s Where They Live

Moose in Germany are rare but increasingly spotted. Sightings are particularly on the rise in the East. What's behind this trend?

Images from videos show masses of woodlice moving in circles

Bizarre Behavior Artificial Light at Night Causes These Animals to Run in Deadly Circles

Thousands of woodlice are suddenly moving in endless circles. What appears to be a natural phenomenon could become a trap for the creatures.

Eerie 'Goth' Bird Blood-Curdling Scream! Have You Heard of the Dracula Parrot?

The Dracula parrot impresses with its jet-black plumage and bone-chilling call. It is native to the rainforests of New Guinea.

Fishing Cat This Wildcat Loves Water and Barks—Hardly Anyone Knows It

The fascinating fishing cat not only has webbed feet but can also bark. Intriguing facts about this small feline.

A hedgehog sits on a meadow. In the upper left corner, a robotic lawn mower can be seen.

This danger is greatly underestimated. Shocking Images: More Hedgehogs Mutilated by Robotic Lawn Mowers

Robotic Lawn Mowers Pose an Underestimated Threat to Hedgehogs PETBOOK spoke with a hedgehog rescue center about the dramatic consequences.

Hidden Features Squirrels Use Their Tails as Umbrellas

Squirrels are known not only for their climbing skills but also for their extremely bushy tails, which offer them many advantages.

As Long as a Bus The World's Largest Sea Snake Likely Ate Sharks

The world's largest sea snake, Palaeophis colossaeus, likely preyed on sharks and swimming dinosaurs.

Desert Hairy Scorpion (Hadrurus arizonensis)

New Research Shows Powerful Weapons: Scorpions Have Metal in Their Stingers and Claws

New study reveals: Scorpions strengthen stingers and claws with metal–a key factor in hunting strategy and evolution.

Attacks on People and Dogs Expert on Fox Attacks in Berlin: "Behavior Fits a Misimprinting"

A fox in Berlin is reportedly attacking people and dogs. Fox expert Daniel Peller has analyzed the case and offers a clear assessment.

Dark Wolf Spider Pardosa amentata on Leaf

Are They Coming to the Apartment as Well? How Dangerous Are Wolf Spiders and How to React Properly

There are many types of wolf spiders. To some people, they may look threatening, but are they really? PETBOOK explains.

Heinz Sielmann Foundation The Squirrel Is the Garden Animal of the Year 2026

The squirrel is the Garden Animal of the Year 2026. Here's why these cute rodents aren't as harmless as they appear.

Carrion Crow (right), Hooded Crow (left)

Biologist Explains Why Crows Look Different in Eastern Germany

While carrion crows in the West are jet black, hooded crows in the East sport gray and black plumage. However, all crows were once black...

Monkey in Gibraltar Eats Chips From a Bag

Macaques in Gibraltar Too Much Junk Food from Tourists! Monkeys Resort to Eating Dirt as a "Stomach Remedy"

Monkeys eat dirt—and for good reason: A study reveals how macaques in Gibraltar respond to human junk food and help themselves.

Long-Lived Reptiles Did You Know? How Long Crocodiles Can Live

How long do crocodiles actually live? Surprisingly, their risk of death decreases with age, unlike most animals where it increases.

Even though blue sharks are occasionally spotted in the Mediterranean, the likelihood of being attacked by one is extremely low.

Predatory Fish Which Sharks Live in the Mediterranean and How Dangerous They Are

The world's oceans are home to many species of sharks. But how likely is it to encounter sharks in the Mediterranean Sea?