Animals — Page 8

A dolphin's sonar is so powerful it can stun or kill small fish.

Dolphins emit high-frequency clicks that create pressure waves capable of disorienting or even incapacitating small…

A cow can produce enough milk in its lifetime to fill five average-sized swimming pools.

An average dairy cow produces about thirty liters of milk per day, which accumulates to an impressive volume over its…

Some species of land snails can sleep continuously for up to three years to survive harsh weather conditions.

This prolonged state of dormancy, called estivation, allows them to seal their shell and conserve moisture during…

The aye-aye uses its elongated middle finger to find insects inside trees.

This primate from Madagascar taps on wood to hear the sound of grubs and then cracks the bark with its teeth. It then…

Bees can be trained to detect landmines through their sense of smell.

The sense of smell of bees is so sensitive that they can detect explosive vapors in the soil. Scientists train them…

The mantis shrimp can see circularly polarized light.

The vision of the mantis shrimp is the most complex in the animal kingdom, possessing twelve types of color receptors…

The jellyfish Turritopsis dohrnii can reverse its life cycle and become biologically immortal.

When facing physical stress or aging, this jellyfish can transform its adult cells back into the polyp stage, its…

Koalas have fingerprints so similar to human ones that they are hard to tell apart under a magnifying glass.

Although koalas are marsupials and humans are primates, both evolved to grip tree trunks and branches. That…

Cows form close friendships and become stressed when separated from their best friends.

Animal behaviour studies have shown that cows create strong social bonds with specific companions. When separated…

Dolphins sleep with only half of their brain at a time, keeping the other half alert.

As marine mammals, dolphins need to surface to breathe. If they fell completely asleep, they would drown. Therefore…

The wood frog can survive frozen for weeks.

During winter, up to 65 percent of the wood frogs body freezes. Its heart stops beating, breathing ceases and blood…

Sharks have no bones, their skeleton is made of cartilage.

Unlike most fish, sharks and rays have a skeleton entirely made of cartilage. Cartilage is lighter and more flexible…

Dung beetles use the Milky Way to navigate at night.

When rolling a ball of dung, dung beetles need to travel in a straight line so they do not return to the starting…

Wombat poop is cube-shaped, which prevents it from rolling away.

Wombats are the only known animals to produce cube-shaped feces. This unique shape is the result of varying…

Sloths can hold their breath for up to forty minutes.

By slowing their heart rate, they can retain oxygen much longer than dolphins, which typically need air every ten…

A group of pugs is called a grumble.

The origin of the term dates back to the nineteenth century, reflecting the characteristic and constant sound these…

A chameleon's tongue can accelerate faster than a sports car.

The tongue reaches speeds of up to ninety kilometers per hour in less than one second, thanks to specialized muscles…

Flamingos are born with grey or white feathers.

The characteristic pink color comes from carotenoids present in the algae and crustaceans they eat, without which the…

Caterpillars have about four thousand muscles in their bodies.

While humans have only about six hundred and fifty muscles, caterpillars possess thousands of micro-muscles that…

Crows understand water displacement to get food.

Studies prove that crows drop stones into tubes with water to raise the level and reach a floating treat, just like…

The mantis shrimp has sixteen colour receptors in its eyes.

While humans only have three, this crustacean possesses sixteen, allowing it to see polarised and ultraviolet colours…

An ostrich's eye is bigger than its own brain.

The ostrich has the largest eye of any land animal, giving it excellent vision to detect predators at great distances…

Tigers have striped skin and not just striped fur.

If you shaved a tiger, you would see that the dark stripes are pigmented directly into its skin, and each pattern is…

Sea otters have a pouch in their skin to store their favourite rock.

This small pouch, located under the forearm, is used to store a specific rock that the otter uses as a tool to break…