1. Horse
   Antelope
2. Giraffe
   Cow

Did you know humans have something in common with giraffes? Just like our fingerprints, a giraffe's spots are unique to them and different from any other pattern. Giraffes spend most of their lives standing.

1. Puma
   Cheetah
2. Tiger
   Jaguar

At the end of her pregnancy, a female cheetah typically gives birth to two to eight cubs at a time. While a cheetah may be fast, it usually can only run at its top speed for roughly one minute.

1. Zebra
   Bongo
2. Nyala
   Panda

Did you know that the exact reason for a zebra's stripes is still unknown? Their are two main theories: one is to look like an optical illusion and confuse predators, and the other theory is to deter flies from bothering them.

1. Golden cat
   Leopard
2. Tiger
   Lion

One thing a tiger certainly isn't shy about is its roar! A tiger's roar can be heard from as far as two miles away. Cheetahs aren't the only quick cat, as tigers can reach speeds of nearly 40 mph.

1. Deer
   Wildebeest
2. Tapir
   Antelope

There are a total of 90 different types of antelope. As a herbivore, an antelope's diet is primarily made up of grass and leaves, and antelopes have been known to follow rain in search of fresher grass.

1. Llama
   Sheep
2. Alpaca
   Elk

One pound of wool can be enough to create roughly 10 miles of yarn. Sheep have nearly 360-degree vision, meaning they are able to see at roughly all angles. Talk about keeping an eye on things!

1. Otter
   Prairie dog
2. Guinea pig
   Beaver

A beaver's fur is made up of two layers (an outer and an inner). The outer layer is much longer and more coarse hair, while the inner layer is fine hair that acts as a barrier against water to keep the beaver dry while swimming.

1. White-tailed deer
   Nilgai
2. Chital
   Barbary sheep

When most baby deer, or fawns, are born, they will be covered in white spots. These spots help to camouflage fawns and protect them against predators. Every year, a male deer will shed his antlers and grow new ones.

1. Anteater
   Macaque
2. Sloth
   Lemur

Ever wonder why a sloth may appear to look greenish in color? On top of hair, a sloth's fur is typically covered in an assortment of algae and fungi, which help to camouflage the mammal.

1. Red giant flying squirrel
   Hammer-headed bat
2. Vampire bat
   Kitti's hog-nosed bat

Flying squirrels can be found in three continents: Europe, Asia and North America. They may be hard to spot because these animals use an amazing membrane to glide from tree to tree, but if you could find them all, be on the lookout for all 43 different subspecies!

1. Groundhog
   Mole
2. Marmot
   Chipmunk

You may recognize a chipmunk from its iconic fluffy tail, which is typically between 3 - 5 inches in length. To survive the frigid winter months, a chipmunk will spend most of the time burrowed underground and only resurface several times to eat.

1. Coyote
   Red fox
2. Raccoon dog
   Dhole

A baby fox is known as a kit, and when born is covered in dark gray fur. Within a month, a kit will grow its new coat to become the staple red color. Kits make eight unique vocal sounds to communicate, while adult red foxes have 12.

1. Chinchilla
   Hamster
2. Porcupine
   Hedgehog

No need to fear these spikes! While a porcupine's quills are poisonous and thus a threat to humans, the quills of a hedgehog are not barbed and mostly hollow to give their coat strength.

1. Cow
   Buffalo
2. Moose
   Yak

While you may commonly recognize this animal to be a cow, there are technically certain rules to the different names for types of bovines. For instance, a "cow" is a female bovine that has already birthed at least one calf.

1. Donkey
   Horse
2. Zebra
   Mule

Did you know a horse is able to see better during the nighttime than a human? Horses have nearly 360-degree vision along with having the largest eyes compared to other land mammals.

1. Bull
   Ox
2. Yak
   Bison

A yak's fur is what helps keep the animal protected against different temperatures. Their coat is even thick enough that yaks are able to swim in practically frozen water without risk of freezing.

1. Cheetah
   Jaguar
2. Snow leopard
   Cougar

A jaguar's orange fur is covered in an assortment of black spots that resemble roses, which appropriately gives these spots the name "rosettes." Jaguars are known for living solitary lifestyles.

1. Harp seal
   Sheep
2. Mountain goat
   Polar bear

Did you know a polar bear's fur is not white, but translucent in color? The hair covering a polar bear's body is hollow and helps the animal to reflect sunlight and thus blend in better with the winter wonderland these animals call home.

1. Arctic fox
   Snow leopard
2. Wolf
   Ermine

While you may know the arctic fox to be coated in fluffy white fur, the color of their hair actually changes with the seasons. Arctic foxes are the only canines known to have this color-changing ability throughout the year.

1. Cougar
   Lion
2. Caracal
   Serval

A male lion's mane gets bigger the healthier it is, which in turn may help to attract female lions. If a lion wants to be heard, he'll make sure he's heard! A lion's roar can be heard from as far as five miles away.

1. Jackrabbit
   Snow leopard
2. Cow
   Dalmatian

A dalmatian's spots are typically brown or black in color, though some have even been known to be yellow or blue. Their spots are located all over their bodies — even inside their mouths!

1. Jaguar
   Leopard
2. Puma
   Ocelot

Did you know that ocelots are rather picky eaters? These little felines will even go as far as taking the time to get rid of their prey's fur and/or feathers before they can actually enjoy the meal.

1. Culpeo
   African wild dog
2. Jackal
   Coyote

The scientific name for African wild dogs, "Lycaon pictus," literally translated means "painted wolf." This is in reference to the animal's spotted fur, which is decorated in black, brown, white and yellow colors.

1. Possum
   Badger
2. Rat
   Squirrel

While possums may commonly get a bad rap for being "gross," they are actually incredibly helpful in controlling the spreading of Lyme disease. These mammals can eat up to 4,000 ticks in just one week!

1. Wallaby
   Wombat
2. Koala
   Echidna

Like hedgehogs, the quills of an echidna are hollow and barbless. While echidnas are mammals, they give birth to their young by laying eggs. The spines of an echidna grow as long as two inches.

1. Cow
   Panda
2. Polar bear
   Zebra

Did you know that pandas are born pink and just about the same length as a pencil? Instead of hibernating, pandas simply travel toward warmer temperatures (typically venturing down a mountain).

1. Rabbit
   Skunk
2. Badger
   Otter

A badger's coarse fur coat is comprised of black, brown, white and even gold hair. Most of these animals are omnivores, and their primary diet consists of earthworms, eggs of ground-nesting birds and spider larvae.

1. Mandrill
   Chimpanzee
2. Sooty mangabey
   Macaque

These animals are known for having a vibrant coat. A mandrill's fur is olive-green in color, though male mandrills also have a yellow/orange-colored beard. When born, a baby mandrill instantly clings to its mother's fur.

1. Bongo
   African wild dog
2. Tiger
   Striped hyena

There are four different types of hyenas (spotted, striped and brown hyenas and the aarwolf), with the striped hyena spanning across the largest amount of living area. These mammals have a range from the northern regions of Africa to those in southern Siberia.

1. Ferret
   Cat
2. Raccoon
   Lemur

Did you know that raccoons and athletes have something in common? Just like athletes smear black paint under their eyes to absorb the sunlight and prevent glare, the black "mask" of a raccoon helps these animals do the same.

1. Quoll
   Hyena
2. Crocuta
   Cheetah

There are six different species of quoll. The thick hairs that make up a quoll's fur coat can be gray, black or brown, though the fur will always be dotted with spots of white patches.

1. Mongoose
   Field mouse
2. Ferret
   Weasel

As domesticated animals, the ferrets we know and love as pets come in a wide variety of colors, including cinnamon, chocolate and even albino. A group of these animals is known as a "business."

1. Zebra
   Wildebeest
2. Antelope
   Okapi

Did you know that okapis have a special way of communicating that can't be heard by humans? Female okapis can reach their calves even in lush, thick forests by producing a 14-hertz sound.

1. Spotted skunk
   Raccoon
2. Possum
   Badger

While skunks are commonly known for being striped, some of these animals can be spotted or even coated in swirled-patterned fur. There are four different species of spotted skunks alone.

1. Fruit bat
   Sunda flying lemur
2. Sugar glider
   Squirrel

While the name might imply others, a Sunda flying lemur cannot fly nor is it actually even a lemur. These little mammals are not too good with their footwork when it comes to walking on solid ground, though they are expert climbers.

1. Jaguar
   Puma
2. Ocelot
   Lynx

The facial fur of these feline creatures makes them very distinctive, with triangular-shaped ears crowned with a black tip and two longer tufts of fur on either side of the animal's face. This feature is known for giving a lynx a beard-like appearance.

1. Quokka
   Red panda
2. Red fox
   Kangaroo

A red panda's cinnamon-colored fur is useful for keeping these animals warm. You won't find these mammals hanging out on the ground, as red pandas rely on life in the trees for sleeping and munching on bamboo.

1. Wolf
   Siberian husky
2. Coyote
   Silver fox

Silver foxes may stick out due to their unique colored coat, but they are actually the same species as the red fox! Instead of barking or howling in the way that many other canines do, foxes communicate using high-pitched barks, screams, snuffles and even gekkers (or essentially chuckles).

1. Sheep
   Mountain goat
2. Alpaca
   Llama

In order to deal with the heat of warmer months, mountain goats shed their coats by rubbing against trees to rid themselves of excess fur. Their white coat helps them camouflage in snowy climates.

1. Grizzly bear
   Moose
2. Polar bear
   Kodiak bear

Do you know what makes a grizzly bear different from others? It's their fur! A grizzly bear's fur is made up from mostly brown hair, though the fur on its back and shoulders is topped with white, which gives the animal its "grizzly" appearance.