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What are the Fastest Animals in the World?

The fastest land animal is the cheetah, which can run at 70 miles per hour.
Nothing is faster in the water than a sailfish, which has a top speed of 70 miles per hour.
Peregrine falcons can reach 200 miles per hour when diving.
The grizzly bear can run up to 30 mph.
The heyna has a top speed of 40 miles per hour.
The white-tailed deer can run 30 miles per hour.
The lion is one of the fastest animals.
Zebras can reach speeds of 40 miles per hour.
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  • Written By: Mary Elizabeth
  • Edited By: Bronwyn Harris
  • Last Modified Date: 10 August 2014
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When speaking of the fastest animals in the world, it makes sense to talk about three separate groups: the fastest on land, in water, and in the air. Each environment has its own challenges, and animals that move fast in one often are much slower in another. Peregrine falcons are often considered the fastest, however, reaching tremendous speeds when diving through the air.

Mammals are the fastest animals on land, with the cheetah, which can run 70 miles per hour (113 km per hour), taking the lead. Compare this with the fastest insect, the hawk moth, which reaches 33 miles per hour (53 km per hour), and the fastest reptile, the spiny-tailed iguana, which can reach 21 miles per hour (34 km per hour). The fastest bird on land is the ostrich, which runs at 43 miles per hour (69 km per hour), while the wild turkey can attain 15 miles an hour (24 km per hour), with the chicken following at 9 miles per hour (14 km per hour).

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Following the cheetah, there are a number of other mammals, including the wildebeest, lion, and Thomson’s gazelle, all of which can obtain 50 miles per hour (80 km per hour), and the hyena, zebra, and Mongolian wild ass, all of which can reach 40 miles per hour (64 kilometers per hour). The white-tailed deer, wart hog, and grizzly bear all check in at 30 miles per hour (48 km per hour). The fastest dog is the greyhound, which can run 43 miles per hour (69 km per hour), while cats can reach speeds of 30 miles per hour (48 km per hour).

In the water, fish take the lead. Sailfish are the fastest in the water, at 70 miles per hour (113 km per hour) — the same speed in the water as cheetahs attain on land. Mako sharks can reach 60 miles per hour (97 km per hour), and marlins, 50 miles per hour (80 km per hour). The fastest mammal in the water is the killer whale, which can swim at up to 48 miles per hour (77 km per hour).

Neither insects, reptiles, mammals, or terrestrial bird speeds come anywhere close to birds in flight. Birds are not only the fastest animals in the air: they are the fastest on Earth. Swifts can fly at 106 miles per hour (171 km per hour). Peregrine falcons fly at 90 miles per hour (171 km per hour) and dive at 200 miles per hour (322 km per hour).

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Discuss this Article

fargocowgirl
Post 46

What non-marine animal can swim 50 mph underwater?

anon328802
Post 44

Actually, because of aerodynamics, build,and feather type, the peregrine is the fastest. It has been clocked at over 250mph; look it up! Ignorance is bliss, so let me correct this. They can adjust angles, direction, breathe, control movements, attack, maintain, and manage a speed beyond terminal velocity due to the evolution of their biological make up. What makes me such an authority on this? I train, maintain and study them.

anon327884
Post 43

While cheetahs are clearly the fastest land animals, I believe the peregrine falcons are the fastest animals because they can move over 20 mph (322 km/h) without their lungs being crushed or their eyes being coated with debris. According to National Geographic, the fastest recorded speed of a peregrine falcon's dive is 242 mph (389 km/h). The record was set by a peregrine named Frightful. She was released from a helicopter at 15,000 ft (4,572 m) which is a height that she could achieve naturally.

If a cheetah was thrown off the Empire State Building they would die without even reaching 200 mph (322 km/h). They aren't aerodynamic like the peregrine, so they would be slowed down way more by air. Also the Empire State Building is only 1,454 ft (433 m) high, and Frightful was diving for several thousand feet before she got up to 242 mph (389 km/h). Plus, the cheetah wouldn't be reaching 200 mph (32 km/h) of its own power, so it shouldn't count. I mean, Felix Baumgartner skydived from 24 miles (39 km) above New Mexico. He broke the sound barrier by falling at a top speed of 833.9 mph (1,342 km/h), but humans clearly aren't the fastest animals.

P.S. Peacock mantis shrimp only strike at about 50 mph (80 km/h), and golden eagles only dive at about 150 mph (241 km/h).

Also, the pronghorn is sometimes referred to as the pronghorn antelope and the prong buck, even though it isn't an antelope. Its top speed is estimated to be 55 mph (88.5 km/h), but it can sustain that speed for .5 mi (.8 km) which is much further than the cheetah can run at its top speed.

anon322406
Post 42

I also agree with the cheetah being the fastest animal on land.

anon276269
Post 41

Have heard that some spiders are the fastest creatures in the world. Normally they just creep along, but in panic mode is a different story.

anon183834
Post 38

Sorry, but you are very, very wrong. You will never reach 200 miles/hour in a dive. Terminal velocity, mate.

anon156193
Post 35

i think the cheetah is the fastest animal because technically, the peregrine falcon flies, not runs, which gives him a boost, but if you put him on land the cheetah would win the race any day. Plus, as some of you are saying, it dives off cliffs and that's what makes it fast. Anything could reach the same speed falling or diving off a cliff (even me), but the peregrine falcon just has to fly at the end of the cliff to stop dying so it's not the cheetah cheating.

p.s. some of you say the cheetah can reach up to 70 mph. yeah he can in three seconds, but its top speeds are 100-122 mph and if I'm wrong, then go to the library because i have three books saying it's the fastest animal and it can reach speeds from 100-122 mph.

anon139201
Post 32

Slight problem with the whole peregrine falcon argument. I'm not saying any of you're wrong, but it's called the fastest animal in the world because it is accepted by most people around the globe and it's also able to survive it and not just die after reaching the speed.

anon134790
Post 30

I think why they say Peregrine falcons are the fastest is because it can reach up to very high speeds. Of course Peregrine falcons make use of the gravity to attain such high speeds, but STILL they can travel that fast.

Diving is a part of the peregrine falcon's lifestyle (they catch prey by diving down very fast, reaching 200mph). I think it is the fact that they are able to have control even at these speeds make it the fastest animal in the world.

anon130314
Post 29

Peregrine falcons dive, not jump off from the Empire State Building or a cliff.

Elijah Urdaneta
Post 26

The Peregrine Falcon can manage to obtain that speed that speed on a dive but still unhurt. It can even fly upwards right after a dive. They just simply open their wings to catch the drag all they need to stop.

anon113738
Post 25

Something that some people forget is the fact that the peregrine falcon can survive these speeds, without its lungs being crushed or being unable to breathe.

If you dropped a cheetah from those heights, even if it magically didn't die from impact, the falling itself would kill it.

anon109728
Post 24

a cow can reach a speed of 120 ft/s when dropped out of a helicopter. that's about 82 mph or 132kph for the metric users out there.

anon103481
Post 23

Just to let you all know, you are all wrong. The spine tailed swift, also known has the white-throated needle-tail has reached recorded speeds of 106 mph, which is why they call it a swift. Now we are talking about level motion not gravity assisted plunge diving, so the peregrine falcon is not the world's fastest animal.

How I look at it is, I could push anyone off of the Empire State Building and crown them the world's fastest beast, huh?

anon103480
Post 22

it's the peregrine falcon -- over 200mph!

anon91321
Post 21

What most of people here ignore is that no skydiver can actually stay alive after falling from such heights unless he has a parachute or smith, and that is technology, not something that a human can do by himself.

And if a cheetah is dropped from the cliff, it will die too. I'm no scientist but as far as I understand, we are talking about animals who run/fly/swim like that every day without any help from technologies and they live after reaching such speeds. Just my opinion.

anon90563
Post 20

the african cheetah is the fastest animal in the world.

anon82704
Post 18

You're all wrong. Peacock mantis shrimp. It strikes the shells of crustaceans fast enough to create light and heat not unlike the sun. And that's underwater. 800 times as dense as air.

anon80813
Post 16

I hate how when you see an article like this there are always complaints saying eagles, cheetahs, hawks, (skydivers) are fastest.

anon75766
Post 15

I know for a fact that the Cheetah is the fastest land animal in the world.

anon68101
Post 14

Anything "falling" is going to reach terminal velocity, assuming it falls far enough, from a peregrine falcon diving to a cheetah dumped off a cliff.

Based on wind resistance, for example, the terminal velocity of a skydiver in a free-fall position with a semi-closed parachute is about 120 mph. Terminal velocity is the balance point the falling body strikes between acceleration due to gravity and air resistance/drag. In the parachuter example, a speed of 50 percent of terminal velocity is reached after only about 3 seconds, while it takes 8 seconds to reach 90 percent, 15 seconds to reach 99 percent and so on. Higher speeds can be attained if the skydiver pulls in his or her limbs. In this case, the terminal velocity increases to about 200 mph, which is also the terminal velocity of the peregrine falcon diving down on its prey or the cheetah tossed off the cliff. Or for a bullet fired up in the air, and falling back to earth.

Competition speed skydivers fly in the head down position reaching even higher speeds. The current world record is 614 mph by Joseph Kittinger, set at high altitude where the lesser density of the atmosphere decreased drag.

anon66904
Post 13

The American Quarter Horse is the fastest race horse for sprinting short distances. It can top about 55 miles per hour. It is the most popular horse breed in the United States.

anon62716
Post 12

it is a peregrine falcon. it can top 200 miles an hour.

anon54754
Post 10

A golden eagle can reach 200 miles per hour in a dive.

anon46716
Post 9

Flying Mazie, my greyhound, clocked 46 miles per hour in a race at the track. Still, not a great racer, but a much better dog. Any Cowboy fans? If you remember Alexander Wright then that is Mazie, a ton of talent but couldn't play ball!

anon45074
Post 8

Ohio cheetah is fastest land mammal, at 36 mph.

anon45069
Post 7

Just for a smile you need to remember "Jonathan Livingston Seagull"

anon45059
Post 6

Which race horses are the fastest? You can bet that they can run very fast.

anon45049
Post 5

What if you took a cheetah, and dropped him off a cliff? I bet he'd make 200 miles per hour in a dive. Right?

anon27612
Post 3

which is the fastest animals?

anon24838
Post 2

The ass is a more subtle creature rather than a fast runner they were bred into what we call

today a Donkey.

pixiedust
Post 1

I've heard there's a fast antelope, the pronghorn antelope, I think, that's pretty fast...something like 60 mph.

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