How much do you know about animals? We're sure that some of these facts will surprise you, even If you think that you know a lot!

#1 Penguins

Male penguins propose to females by giving them a pebble.

#2 Flamingos

Flamingos can only eat when they have head upside down.

#3 Bats

Bats are the only mammals that can fly.

#4 Elephants

Elephants are covered with hair.

#5 Snakes

Snakes have ears inside their heads.

#6 Dogs

Dogs can't eat anything containing milk, chocolate or caffeine - it can be really harmful for them.

#7 Elephants

Elephants are the only animal that can't jump.

#8 Moths

Moths don't have stomach.

#9 Ostriches

Ostriches can run faster than horses, and the males can roar like lions.

#10 Woodpeckers

Woodpeckers can peck 20 times per second.

#11 Ants

Ants never sleep.

#12 Oysters

Oysters can change gender multiple times during their life.

#13 Chimps

Humans and chimps share 98.8 percent of their DNA.

#14 Dogs

Adult dogs have 42 teeth.

#15 Tigers

Tigers have striped skin, not only fur. Each pattern is as unique as a fingerprint.

#16 Slugs

Slugs have four noses.

#17 Dogs

Dogs have 10,000 times stronger sense of smell than humans.

#18 Frogs

Frogs sleep with their eyes open.

#19 Fleas

Fleas can jump 350 times their's body length.

#20 Starfish

Starfish have no brains.

#21 Giraffes

Giraffes and humans have the same number of bones in their neck.

#22 Elephants

Elephants sleep 2 to 3 hours each day.

#23 Koalas

Koalas have human-like fingerprints

#24 Elephants

African elephants have the longest pregnancy of any mammal — it lasts nearly two years.

#25 Rabbits

Rabbits have 360 degrees panoramic vision.

#26 Honeybees

Honeybees flap their wings 200 times every second.

#27 Butterflies

Butterflies taste with their feet.

#28 Cats

Cats can move their ears 180 degrees.

#29 Clownfish

Clownfish are born male - some of them change their gender later to enable mating.

#30 Dolphins

Dolphins have names for each other.

#31 Elephants

Elephants can smell water up to several miles away.

#32 Owls

A group of owls is called a parliament.

#33 Wombats

Wombats have cube-shaped poop.

#34 Cats

Cats can be allergic to humans

#35 Octopuses

Octopuses have three hearts.

#36 Polar bears

Polar bears have black skin.

#37 Elephants

Elephants have alarm call that means "humans!"

#38 Squirrels

Squirrels plant thousands of new trees each year, because they forget where they put their acorns.

#39 Horses

Horses teeth never stop growing.

#40 Anteaters

Anteaters eat about 35,000 ants a day.

#41 Spiders

Spiders can’t fly.

#42 Pigs

Pigs have 30 minute orgasms.

#43 Lions

Lions can mate over 50 times a day.

#44 Cats

Cats can't taste sweetness.

#45 Mice

Mice have more bones than humans.

#46 Turtles

Turtles can breathe through their butts.

#47 Snails

Snails can sleep for three years.

#48 Giraffes

Giraffes have no voice.

#49 Anteaters

Anteaters are devoid of teeth.

#50 Komodo dragons

Female komodo dragons don't need a male to reproduce.

You can learn more about animals from our The Ultimate Animal Trivia Quiz!