30 Crazy Animal Facts You Never Knew

1. Crows remember you

Crows recognize human faces, particularly those who pose harm to them and their habitat. They live up to fifteen years and can pass on this information to their offspring, so there’s no chance they’ll forget you anytime soon.

Crows recognize human faces.
Photo by Kasturi Roy on Unsplash

2. Pangolins ride their mothers tail

Newborn Pangolins tend to travel on their mother’s tail. When danger is close, the mom will ball herself up around the baby.

Baby Pangolins will travel on their mother's tail

3. Cats used to deliver mail

For a brief period, cats delivered mail in Belgium. During the 1970s, the city of Liège “hired” 37 cats to deliver mail in waterproof bags. As expected, the cats weren’t effective mailmen. The shortest time spent on delivering a letter? 5 hours.

Cans hired to deliver mail

4. Cougars are natural gardeners

Cougars are nature’s gardeners. They eat herbivores with seeds in their stomachs and then spread them far and wide through their poop. As a result, some can plant up to 94,000 plants a year.

Photo by Priscilla Du Preez on Unsplash

5. Termites mate for life

Many species of termites will mate for life. A female “queen” and male “king” will give birth to an entire colony. They might stay together for as long to 20 years, depending on the species’ lifespan. The rare cases of relationships ending can result in violence like Termites chewing off each other’s antennae.

King and queen termites
Photo by Dr. Benoit Guenard

6. Careful of what you eat!

The red-factor canary’s coat changes color depending on its diet. Feed it any natural orange and red food like beets, and its feathers will change to match it.

David Carroll

7. Clownfish change gender

Clownfish are one of many sea creatures that can change gender. Generally, one female will school with multiple males. When the female dies, the dominant male will change their gender to take her place.

David Clode

8. Quokkas sacrifice their babies

There’s a common misconception that Quokkas will throw their offspring at predators to distract them. While not technically correct, Quokka’s evolution makes them terrible parents. They will instinctually jettison their babies from their pouches when predators are close. The babies writhing and hissing attract the predator while the mom escapes. They don’t technically throw their young, but the truth is close enough.

David Clode

9. Dolphins can kill themselves

Unlike humans, dolphins have to decide when to breathe consciously. There are documented cases of dolphins in captivity killing themselves by refusing to breathe in a form of dolphin suicide.

Fabrizio Frigini

10. Kakapo attracts predators

The endangered Kakapo bird emits a musty, sweet odor that leads predators straight to it. This is why it is endangered.

11. Mammals can lay eggs?

There are only two mammals on Earth that lay eggs, and they are both from Australia – the platypus and echidna.

Emmanuel Higgins

12. Woodpeckers have long tongues

Woodpecker’s tongues are very long and are wrapped around the skull. This is to provide a brain cushion while they peck.

John Yunker

13. A Polar Bear’s liver can kill you

Polar Bear’s bodies are incredibly efficient at storing Vitamin A. If you were to eat a polar bear liver, you would die. It contains enough Vitamin A to kill you 52 times.

Peter Neumann

14. Rodents can’t puke

Rodents ranging from mice to guinea pigs, to squirrels all cannot vomit. They lack the brain circuit required for this behavior.

Good Free Photos

15. Giraffes taste pee

Male giraffes taste the pee of females to determine if they are ready to mate. This is to detect hormones that show that the female is ovulating.

Sutirta Budiman

16. Goldfish have a decent memory

Goldfish don’t have a 3-second memory. Though not the smartest, goldfish boast a memory span of three months – better than most people I know.

Foad Memariaan

17. Platypuses don’t have nipples

Female platypuses don’t have nipples. To feed their children, they sweat milk out of their pores, and the babies lick it off their skin.

18. Tigers have striped skin

Not only is a tiger’s fur striped, but his skin as well.

via tyracampbellcharles on reddit

19. Otters hold hands

As if they weren’t cute enough, sea otter’s hold hands while they’re sleeping so they don’t drift apart.

Photo credit: meckert75 via photopin cc

20. White Flamingos

Flamingos are naturally white. A diet of shrimp, brine, and algae actually turns them pink.

Dr. Roy Winkelman

21. Blind as a bat

Bats aren’t actually blind – in fact, their eyesight is considered better than humans. Echolocation is just an added bonus to help them hunt at night.

Geoff Brooks

22. European Lions

Lions used to inhabit Europe, but they were hunted to extinction before 100 BCE.

Jeremy Avery

23. A cats meow

Cats do not meow at each other. It is solely used as a way to get the attention of humans.

Raul. Varzar

24. Kangaroo’s balance

Kangaroo’s need their tails to balance – if you lift their tale off the ground, they can’t hop.

John Torcasio

25. Slow beating heart

Whale hearts only beat nine times per minute – by comparison, human hearts beat between 60 to 100 times per minute.

Richard Sagredo

26. Puffin ingenuity

Puffins will use twigs to scratch themselves.

Clive Holin

27. Skin breathing

Frogs can breathe through their skin. This isn’t the primary way they breathe, but a result of their blood flowing near the skin’s surface, allowing it to absorb oxygen.

Martin Woortman

28. Strange friendships

Some burrowing tarantulas befriend frogs. They will protect each other’s eggs and share food.

Oleg Didenko

29. Nightmare fish

The tongue-eating louse is what nightmares are made of. It will invade a fish through its gills and destroy its tongue’s blood supply, causing it to falls off. From there, it takes up residence and lets the fish find all the food.

Image: Wikimedia Commons

30. Massive blue whales

The blue whale has a heart the size of a small car and as heavy as a small elephant. You can hear it beat from up to 3km away.

Georg Wolf
Alan Behrens

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