20 Weird Animal Facts

Let’s learn about 20 weird animal facts that will make you say “Oh My GOD”.

1. Worms have FIVE hearts.

weird animal facts
An earthworm has five hearts of aortic arches that are segmented and pump blood throughout its body.

2. A snail can sleep for 3 years without eating

weird animal facts
Indeed, snails don’t follow the rotation of the sun for their sleep cycle. They go through about seven short sleep cycles in 13 hours and then stay awake for about thirty hours. But they can go into long periods of sleep upto 3 years without eating and live up to 15 years.

3. If you cut off a snail's eye, it will grow a new one.

weird animal facts
Mystery snails possess the ability to regenerate the eye entirely after amputation through the mid-eyestalk. source

4. Leeches have 32 brains, 10 stomachs, 9 pairs of testicles, 2 hearts, 300 teeth grouped in 3 jaws, and more than 2 pairs of eyes.

weird animal facts

A leech’s internal structure is divided into 32 separate segments, and each of these segments has its brain.
Did you know? One desert variety of leech lives in camels’ noses; another feeds on bats. Some eat hamsters and frogs. The Giant Amazon leech, which can grow to 45cm long, feeds by inserting a proboscis-like a 10cm-long straw – into its prey. source

5. Jellyfish have 2 dozen eyes but NO hearts

weird animal facts
Box jellyfish have 2 dozen eyes called ocelli and are known as the world’s most venomous creatures. But unfortunately, they don’t have any heart.

6. Ants don't have ears

weird animal facts
Ants don’t have ears. But that doesn’t mean they are deaf. They hear by feeling vibrations in the ground. Ants have special sensors on their feet and knees that help them interpret signals from their surroundings.

7. Girl crickets don't chirp

weird animal facts
Female crickets do not produce sounds, but males make a chirping sound by rubbing the sharp edges of their forewings together to attract female mates. This way of making sound is called stridulation. source

8. Woodpecker tongues wrap around the back of their brains

weird animal facts
pic source: birdwatchingmagzine
It helps protect the bird’s brain from injury during high-speed pecking. The Northern flicker has the longest tongue. source

9. Black eagles watch their children fight to the death without interfering

Black eagle mothers often watch a fight between their babies, even if it ends with a couple of deaths.

10. Emus can't walk backwards

weird animal facts
Emus can only walk forward and not backward. It is not clear why this bird cannot walk backwards. Many have suggested that its knee joint prevents it from moving backwards. source

11. Herring fish communicate with farts

The herring fish communicate with each other through underwater sounds created through farting. “When the fish pass gas, the bubbles that emanate make a high -frequency sound only audible to herring. The fish use the noise to form “protective shoals” at night to help them stay safe, National Geographic explains.” source

12. Elephant babies suck on their trunks the way human babies suck on their thumbs

weird animal facts

13. Turtles breathe out their butts

Can you believe it? But it’s true that turtles breathe through their butts to survive winter. Source

14.Whales that sing in the wrong key get lost and are alone in the ocean

A whale who sings at the wrong frequency is known as the loneliest whale in the world. “One whale, recorded since 1989 and tracked since 1992, sings at a frequency of 51.75 Hz, whereas others of her kind sing at 15 to 25 Hz. She’s lonely because no one else can hear her.” the source

15.Seahorses are one of the only animals where the male becomes pregnant

weird animal facts
Male Seahorse Give Birth (pic source:scientific american)
Seahorses and their close relatives, sea dragons, are the only species in which the male gets pregnant and gives birth. source

16. If a chinchilla gets wet, it might never get dry

weird animal facts
Water is one of the deadliest enemies of chinchilla. Chinchillas should not get wet because they have very dense fur that is extremely difficult to dry, causing a risk of fungus and bacterial infections, which can, in turn, create a bigger problem for their skin. source

17. The sea squirt eats its brain

“Lots of animals will however chew through their own legs or tail to free themselves from a trap.” This behaviour of eating one’s body is called “autocannibalism”.

The sea squirt eats its brain as part of its life cycle. It does not so much “eat” or “digest” its simple brain. Instead, it recycles it to make other, more useful organs. (Source) Garden lizards also eat their tails for calcium.

18. Sloths come down from their trees once a week to use the bathroom

Yes, it is true. Sloths only go to the bathroom once a week. They leave their tree only for pooping, and it’s the only time they have to stand upright. A sloth can lose one-third of its body weight from pooping. source

19. Sea turtles never meet their moms

After an adult female sea turtle nests, she returns to the sea, leaving her nest and the eggs within it to develop on their own. Their parents never live around them to teach the lessons of life. All they have is instinct. source

20. Birds can't go to space because they need gravity to swallow

Do You Know? Birds can’t be brought into outer space because birds need gravity to swallow food. A few days before, NASA has put on an experiment with a bird. They brought birds into space. After the ship passes the gravity level, the bird is not eating anything, and it has some balancing problems.

NASA officials thought that it is just a gravity problem, but suddenly, the bird’s beaks were pointed to the ground every time. He is not lifting the beak. Then the team identifies the birds need gravity to lift their beak. So this was breaking news to all people around the globe. The entire US officials congratulate the team of techs. source

Hope you have enjoyed this collection of weird animal facts. Please share this interesting animal facts with your friends.
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