Animals — Page 4

A chameleon's tongue can extend up to twice the length of its body in a fraction of a second.

It uses a specialized muscle and incredible elastic energy to shoot its tongue out at high speed, catching…

Snakes are the only truly carnivorous animals.

Unlike other carnivores that may occasionally eat plants, snakes only eat other animals. They consume no type of…

Rabbits cannot vomit.

The digestive system of rabbits is designed so that food moves in one direction only. Vomiting is impossible due to a…

Cats have an extra 'pad' on their paws.

In addition to the main pads, cats have a structure called a carpal pad, which works like a hand brake. It helps them…

The lyrebird can mimic almost any sound it hears, including chainsaws and camera shutters.

Native to Australia, the superb lyrebird has a highly developed syrinx (voice box), allowing it to perfectly…

In some deep-sea anglerfish species, the male fuses to the female and slowly dissolves, becoming a permanent sperm-producing parasite.

Since finding a mate in the vast darkness of the deep ocean is extremely difficult, the tiny male bites the female…

A blue whale's call can be heard by other whales up to 1,600 kilometers (1,000 miles) away.

Blue whales produce incredibly loud, low-frequency sounds that travel efficiently through water, allowing them to…

A group of ferrets is called a 'business'.

This unusual collective noun dates back to the 14th century, possibly referring to the animals' busy, energetic…

A cheetah can accelerate from 0 to 96 km/h (60 mph) in just 3 seconds, faster than most sports cars.

However, this incredible speed comes at a cost; cheetahs overheat quickly and can only maintain a sprint for about 20…

A jellyfish is considered biologically immortal.

The Turritopsis dohrnii, a small jellyfish, can reverse its life cycle to the polyp stage when stressed or injured…

The scorpion glows under ultraviolet light.

The exoskeleton of scorpions contains compounds that fluoresce when exposed to ultraviolet light, causing them to…

The goblin shark can project its jaw out of its mouth to catch prey.

The goblin shark's jaw is held by elastic ligaments that allow it to be launched forward at very high speed. This…

The platypus has hollow melanosomes, a unique feature among mammals.

Melanosomes are structures that contain melanin and give color to hair and feathers. In the platypus, they are…

Leafcutter ants do not eat the leaves they cut.

They carry pieces of leaves to the nest and use them to grow a fungus, which feeds the colony. The leaves are the…

The African lungfish can spend months inside a mucus cocoon in the soil.

When water disappears, it burrows into the ground and secretes a mucus layer that hardens, keeping it moist. In this…

Tardigrades were the first known animals to survive in space.

In 2007, tardigrades were sent to space and exposed to vacuum and solar radiation. Many survived and reproduced…

Tardigrades can survive decades without water by entering a state called cryptobiosis.

When water is scarce, the tardigrade curls into a dry ball called a tun. In this state, its metabolism slows…

The axolotl can regenerate limbs, parts of the heart, spinal cord and even the brain.

The axolotl is an amphibian that keeps juvenile features throughout its life. When it loses a limb, cells at the…

Capuchin monkeys have been observed abducting baby howler monkeys in the wild.

Biologists documented five male capuchin monkeys carrying at least eleven different infant howler monkeys, a behavior…

The platypus has venomous spurs on its hind legs and glows under ultraviolet light.

The male platypus has venomous spurs behind its legs that can cause intense pain in humans. Its skin and fur also…

The night parrot, an Australian species, was rediscovered after 100 years without records.

The night parrot (Pezoporus occidentalis) is one of the world's most mysterious birds. It lives in remote regions of…

Scientists filmed a live goblin shark at nearly 700 metres deep in the Pacific.

In 2025, rare footage showed a goblin shark swimming freely at about 700 metres in the central Pacific, near Jarvis…

A tiny blue octopus the size of a golf ball was discovered at 1,800 metres deep in the Galapagos.

The animal, found during a deep-sea expedition, has an intense blue colour and a shape that surprised scientists. The…

The total weight of all ants on Earth exceeds that of all wild mammals and birds combined.

A 2022 study from the University of Hong Kong estimated there are about 20 quadrillion ants on the planet, with a…