Wildlife

A two-headed turtle has hatched in the U.S. The animal, weighing just 5.2 grams, presents many puzzles for researchers.

These 8 animals are almost transparent. PETBOOK explains how and why transparency occurs in the animal kingdom.

Brown bear Backpack, after a challenging youth and the closest finale in history, has won the 2026 Fat Bear Week in Alaska.

Have you heard of the shoebill? PETBOOK provides an overview of this bird with a beak like a shoe!

Bear vs. man in a showdown: PETBOOK compares size, strength, and speed, revealing what the numbers and facts say.

The Japanese spider crab seems like a creature from another world. PETBOOK explains why it is also called the giant sea spider.

Some freeze, others shed their tails: PETBOOK introduces 11 skittish animals and shows how they handle danger.

Do you know how old squirrels can get? PETBOOK explains their life expectancy and reveals why many don't survive their first year.

Dolphin Bubbles hunts differently from its peers. Instead of eating fish, it often grabs the regurgitated stomach contents of its prey.

The Tilcayo cat was long considered a known tiger cat. It wasn't until a DNA analysis that it was revealed to be its own species of wildcat.

Injured penguins in bright red bodysuits are dressed this way to cover open and stitched wounds.

Crows gather loudly, cawing in a flock on a tree. What seems like a scene from a horror movie is actually a fascinating social phenomenon.

Can earthworms cough? PETBOOK investigates with the animal protection body Wildtierschutz Deutschland e. V.

The fossa is Madagascar's largest predator. However, a peculiar trait often brings it into conflict with humans.

After nearly 20 years, the world's smallest snake has been rediscovered in Barbados. Here's why this find is significant.

Tall trees are at risk of being struck by lightning during thunderstorms. But are giraffes also more frequently struck by lightning?

Walking in the woods can be more dangerous for a dog during mating season than one might think. Katharina Marioth explains why.

Fruit flies are not known for their longevity. However, seeing dead flies can further shorten their lifespan. Why is that?

Spectacular footage shows orcas deliberately ramming a giant sunfish and tearing it into small pieces.

PETBOK explains whether the grass snake (Natrix natrix) is venomous and why it is an important animal in our local ecosystem.