The 8 Main Differences Between Alligators and Crocodiles

Updated on February 15, 2020
PaulGoodman67 profile image

Since completing university, Paul has worked as a librarian, teacher, and freelance writer. Born in the UK, he currently lives in Florida.

Read on to find out the main differences between crocodiles and alligators.
Read on to find out the main differences between crocodiles and alligators. | Source

So What's the Difference Between Alligators and Crocodiles?

Many people are unaware that there's a difference between alligators and crocodiles and use both terms interchangeably to describe any large water-dwelling lizard with big teeth. What they don't realize is that, despite some similarities, the two reptiles don't look or behave the same. They also belong to different biological families.

8 ways to tell alligators and crocodiles apart:

  1. Shape of the snout. The crocodile's snout is pointed and V-shaped, and the alligator's is wide and U-shaped.
  2. Location. Alligators are only found in parts of the US and China, whereas crocodiles can be found across the world. Scroll down for more information about where you'll find each.
  3. Habitat. Crocodiles prefer water that is more saline or salty than the alligator's preferred freshwater habitat.
  4. Toothy grin. Crocodiles can't hide their teeth, but alligators' teeth are sometimes hidden when their mouths are closed.
  5. Size. A full-grown crocodile will likely be several feet longer than an adult alligator.
  6. Color. Crocodiles are generally lighter in color than alligators.
  7. Speed. On land and in water, crocodiles are usually slower than alligators.
  8. Behavior. In terms of aggression, an alligator might seem tame compared to a crocodile.

Once you understand the differences, it is actually pretty easy to tell them apart. I explore each of these differences in detail below.

Note the pointed, v-shape of this crocodile's snout. The alligator's snout is wider, more rounded, and shaped like a U.
Note the pointed, v-shape of this crocodile's snout. The alligator's snout is wider, more rounded, and shaped like a U. | Source

1. Alligators and Crocodiles Have Different Snouts

One of the main differences between alligators and crocodiles is the snout.

The alligator's is broader and shaped like a U, whereas the crocodile’s is longer and narrower and more V-shaped.

It's very possible that the alligator's snout shape is different because of diet, especially breaking open turtle shells, whereas the crocodile’s snout is more suited to hunting general prey including fish, reptiles, and mammals.

The alligator's snout is a more rounded U shape. The differences in snouts probably evolved due to dietary differences, with alligators needing to crack open turtle shells.
The alligator's snout is a more rounded U shape. The differences in snouts probably evolved due to dietary differences, with alligators needing to crack open turtle shells. | Source

2. Where Do Alligators and Crocodiles Live?

Alligators live only in the southeastern US and eastern China, whereas crocodiles can be found across the world in Africa, Australia, Southeast Asia, North America, South America, and Central America.

If you are in the US, then you are far more likely to encounter an alligator than a crocodile. Although there is an American crocodile species, they only live in the southernmost tip of Florida, whereas alligators can be found across Florida and Louisiana, as well as in parts of Georgia, Alabama, Mississippi, North and South Carolina, Texas, Oklahoma, and Arkansas.

Alligators also heavily outnumber crocodiles in the US. There are over 3 million alligators, but fewer than 2,000 crocodiles. Southern Florida is the only place in the world where you will find crocodiles and alligators living side by side.

A young alligator by the water in Florida.  Alligators vastly outnumber crocodiles in the US. As well as forming a bigger population, they also inhabit a much wider geographical area, with crocodiles only present the southern tip of the state.
A young alligator by the water in Florida. Alligators vastly outnumber crocodiles in the US. As well as forming a bigger population, they also inhabit a much wider geographical area, with crocodiles only present the southern tip of the state. | Source

3. Habitat: Freshwater or Saltwater?

Crocodiles have special glands in their tongues which excrete excess salt from their bodies. This means that they are capable of spending days, or even weeks, at sea.

Alligators also have these glands but they don’t work as well, so they usually stick to freshwater habitats, although they can sometimes be found in brackish water (a mixture of salt and freshwater).

This difference explains why crocodiles have managed to spread across the islands of the Caribbean, and alligators haven't.

Notice that the snout of this adult crocodile looks pointed and some of the teeth on the lower jaw are clearly visible, in spite of the mouth being closed.
Notice that the snout of this adult crocodile looks pointed and some of the teeth on the lower jaw are clearly visible, in spite of the mouth being closed. | Source

4. They Have Different Teeth

When their mouths are closed, the snouts of alligators and crocodiles are easy to tell apart, as the alligator will have none of its bottom teeth visible, whereas the crocodile’s lower fourth tooth can always be seen.

Crocodiles often have many visible teeth sticking out over their lips, giving them a very jagged "smile," but since an alligator's upper jaw is wider than its lower, it can hide all its teeth when its mouth is closed.

Here's a close-up of the crocodile's teeth with its mouth shut.
Here's a close-up of the crocodile's teeth with its mouth shut. | Source

5. Which Are Bigger: Alligators or Crocodiles?

An adult crocodile can grow up to roughly 19 feet long, whereas for alligators, the maximum length is around 14 feet.

An alligator in Florida: Notice that the hide is a very dark gray color. The color of a gator's hide varies according to the water it swims in. Algae makes them greener, and tannic acid from the overhanging trees makes them darker.
An alligator in Florida: Notice that the hide is a very dark gray color. The color of a gator's hide varies according to the water it swims in. Algae makes them greener, and tannic acid from the overhanging trees makes them darker. | Source

6. Color Differences

Crocodile hides tend to be more of a light tan or olive color, whereas alligators are usually a dark blackish grey.

(The exact shade of an alligator skin depends upon the quality of the water it swims in. Tannic acid from overhanging trees will make them darker, algae will make them greener).

A young alligator basking. As they get older, their hides gradually lose their stripey pattern and become darker.
A young alligator basking. As they get older, their hides gradually lose their stripey pattern and become darker. | Source

7. Which Runs and Swims Faster: An Alligator or a Crocodile?

On Land: Both can can move quickly on land, but only for short distances. They can both "gallop" or "sprint" but only do it when threatened, and not for long. A crocodile might reach almost 9 mph (14kph), while an alligator might reach a maximum speed of about 11 mph (18 kph).

In Water: They're both much more agile and fast in water where they can use their long, muscular tails to propel their bodies forward. When crocodiles swim, they might reach speeds of about 9 mph (15 kph), while alligators might reach a maximum of 20 mph (32 kph).

Did you know?

Fatalities from alligator attacks in the US are actually very rare. The average annual fatality rate for death by alligator in the US is actually only 0.3. That means on average, one person dies every three years. That's a very low figure when you consider how many people and alligators there are in southeastern US. The truth is that you are more likely to be killed by a dog, a bee or wasp sting, spider bite, rattlesnake, mountain lion, or shark.

8. Which Is More Aggressive: An Alligator or a Crocodile?

Alligators, while definitely dangerous, are relatively timid compared to crocodiles. An alligator will generally try to escape if approached by humans, usually heading for the nearest water.

The only time that wild alligators will attack humans is if they are unexpectedly disturbed, provoked, or defending their young.

Alligators are instinctively afraid of humans but can lose some of that fear with regular contact. Except in controlled conditions, feeding them is almost always a bad idea as they will lose some of their fear and see humans as a source of food. They can also mistake small children and pet dogs for prey.

Crocodiles, on the other hand, are much more bad-tempered and far more likely to attack humans, even unprovoked.

Australian saltwater crocodiles are generally considered the most dangerous in the world, followed by Nile crocodiles. American crocodiles, on the other hand, are one of the more timid types that you will find and rarely attack humans. In the US, you are more likely to be attacked by an alligator than a crocodile, although attacks by either are very rare.

Frequently Asked Questions

Are alligators and crocodiles the same species?

Crocodilia is an order of large, semiaquatic, predatory reptiles that includes alligators, caimans, gharai, and crocodiles. These are all known as "crocodilians," but only some are true crocodiles, and they're not related closely enough to interbreed.

Alligator vs. Crocodile: Which is stronger? If they fought, who would win?

Crocodiles can grow bigger than gators, and their bites can be more lethal.

Crocodiles might win for bite strength alone. The strongest have a bite pressure that measures 3,700 pounds per square inch, while the strongest alligators' bites are about 2,900.

In terms of size, crocodiles win again. The biggest recorded croc was about 2,000 pounds and over 23 feet long, while the largest recorded gator was about 1,000 pounds and 19 feet long.

Lastly, in terms of aggression, crocodiles would still win, as they are much more aggressive and likely to attack, even if unprovoked.

Which are more dangerous to humans?

According to CrocBITE, a database that keeps track of crocodilian attacks worldwide, the Nile crocodile is the one humans should be the most afraid of. Since the year 2000, there have been 33 human fatalities caused by American gators and crocodiles combined compared to 268 caused by Nile crocodiles alone.

Questions & Answers

  • What type of alligator is in Gatorade?

    Gatorade was developed at the University of Florida and takes its name from the college sports teams, known as "Florida Gators". The energy drink contains no actual alligators.

  • Can alligators and crocodiles mate?

    No, they can't. Although they look similar, they are genetically too far apart. Although related, they split into separate genera a long time ago.

  • I have heard about alligators surviving in frozen lakes in winter. Is that also possible for crocodiles?

    Crocodiles are less able to survive in colder climates where water freezes, which is one reason they are much less common than alligators in the southeastern USA and are only found at the southernmost tip of Florida. They also tend to live in salt or brackish water - which is much less likely to freeze - especially in the subtropical and tropical climes where they usually live.

  • Why do alligators swim away when humans approach?

    Wild alligators have a natural fear of humans and will usually attempt to escape if approached. Alligators can lose their built-in fear if they become used to humans, however, which is why you should never feed wild alligators.

© 2011 Paul Goodman

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    • profile image

      Savera naz 

      2 weeks ago

      My friend told me about this article .

      This is very interesting to know me about crocodile and alligator

    • profile image

      Ricky 

      8 weeks ago

      Wow.

    • profile image

      swat 

      8 weeks ago

      wow aligators are painful

    • profile image

      rose 

      2 months ago

      this is really helpful

    • profile image

      kittylover4301 

      3 months ago

      I love this!

    • profile image

      PoisonPython4365 

      4 months ago

      INFORMATIVE!!!

    • profile image

      A cool boi 

      6 months ago

      So good and informative

    • profile image

      Coelophysis 

      6 months ago

      American crocodile and desert crocodile are not that aggressive even ancient Egyptian could tell different it from Nile crocodile .Cuban crocodile is very aggressive in alligator caiman are very aggressive black caiman well known for that may be because they are more close to Nile croc one nose hole thing. Which is better on land Nile croc gator both hunt on land they are eusuchian mesoeucrocodylia they have eusuchian monster centra backbone joint flexible backbone like a cat .cat have disc joint some modern crocodilian are more like land crocodilian even some scientist say so like dwarf caiman no web toe small snout dinosaur temporal fenestra and one have dinosaur tail and less flat skull.Cuban croc I think has specialize leg muscle small snout they were more of a land crocodile in the past dwarf crocodile is mostly a land crocodile it can hop .mesoeucrocodylian evolve in water there is a lot of drag those fast joint easy use on land like the tail mesoeucrocodylia had advitage over dinosaur they can jump higher most early land mesoeucrocodylia keep the tail.they are 2 type of modern crocodilian crocodile and alligator crocodile is use for all croc like animal mostly crocodilian is use animal like proterosuchus dinosaur dinosauriformies pterosaur gator the scientific name is thecodont which mean crocodilian teeth .lizard has simular thecodont teeth but it’s different they are different animal lizard allso has bird teeth a more advance teeth that were you get bird link with dinosaur and the archosaur name .the true crocodilian the advance thecodont the gator mesoeucrocodylia .scientist saw how primitive dinosaur and proterosuchus pterosaur were .they lack a full palate or fully secondary bony palate. they must have form a new line then these become advance a new advance line. True crocodilian is spinosauridae mesoeucrocodylia they have strongest bite force in thecodont and dinosaur .they have fully secondary bony palate and death roll system the most superior dinosaur technology.the early mesoeucrocodylia they are 2 type.spinosauridae no neural arch or neural arch on neck and tail only 3 finger turtle shell like skin primitive sphenosuchus palate architecture and lack palate that is fuse to braincase spinosaurus has joint on sail hump neural spine this will stop tabloid claim that sail fuse to other backbone which can not happen in mesoeucrocodylia they will die in death roll roll over that why all mesoeucrocodylia lack neural arch most thecodont have neural arch.primitive lizard lack neural arch .all mesoeucrocodylia have big sail neural spine for big death roll muscle spinosaurus is just a little bit bigger. Spinosauridae brain is bigger for bipedal brain feature can not rotate arm baryonyx teeth are close together t.rex spinosaurus Nile croc are not. Spinosauridae peg like femur all ankle bone is fuse can not sprawl only 2 bone fuse to braincase.gator type early mesoeucrocodylia neural arch on neck and tail sphenosuchus palate the palate is not fuse to braincase 4 to 6 bone fuse to braincase only one fossil with 4 bone . Can sprawl all ankle bone is not fuse smaller brain in semi aquatic won .turtle shell like skin 5 finger only 3 finger claws no peg femur and peg like ankle can rotate there arm I do not think they have joint on neural spine spinosaurus backbone was unique and they did not have strong turtle skin that why they have those joint they had weaker skin like modern crocodilian.eusuchian mesoeucrocodylia palate fuse to braincase monster centra backbone joint they can swim faster run faster 6 bone fuse to braincase . advance eusuchian braincase bone shift jaw muscle shift only 3 toe claw .back to early mesoeucrocodylia spinosauridae nose hole is behind the kink snout spinosaurus is even more whale like .reduce nose hole in the skull .tyrannosaur like theropod has big nose hole even thou t.rex eat like gator and have full palate it’s skull is more like other theropod bird like spinosauridae skull was just like other mesoeucrocodylia they were first in dinosaur to reduce antorbital fenestra and reduce nose hole nile croc does not have antorbital fenestra his nose is before kink reduce hole in the skull make the skull strong dwarf crocodile and gator both have fuse nose hole this show there is lot of stress behind kink and before kink fuse nose is primitive feature but it will make skull stronger the advance kind choose this way spinosaurus nose hole is very small spinosauridae skull is very primitive too long and thin and mammal high because they lack 6 bone fuse to braincase they can not make it in many shape to take on world and live in different place look at the gharial missing important feature in skull still strong enough to do the death roll or false gharial very flat skull no problem killing big prey it’s well known men eating .allso baryonyx has dinosaur tail a very poor swimming tail that why snout is so big .in mesoeucrocodylia bigger skull stronger the skull the gharial has biggest skull and weakes skull because missing feature second the false gharial .longer the skull bigger the palate main strength in the skull higher the skull stronger the skull is like spinosauridae dwarf caiman they have mammal like skull spinosauridae skull is very strong but could not crush metal like modern crocodilian these animal are very dangerous .spinosauridae is a tyrannosaur what the different t.rex has short secondary bony palate a weaker bite and snout is smaller another weaker feature spinosauridae has kink a primitive feature not found any tetanuran they split off early in there evolution .on gator 5 finger it’s common in marine reptile to grow there finger back and modern crocodilian is more of warm blooded animal clearly by heart spleen kidney fatty battery flow true lung and is more like top of line mammal you can see by dinosaur furcula gator well develope pectoral girdle a flight feature monster centra joint these are fast dangerous animal a normal reptile will die evolve some thing like that.on eusuchian the palate can trace to Nile crocodile today crocodilian name only use for advance eusuchian mesoeucrocodylia the 3 toe claw modern crocodilian.modern crocodilian is so fast if they do not have those monster centra joint they can die hunting a prey in a fast attack

    • profile image

      Robert (In Australia) 

      6 months ago

      The article states that the Nile Crocodile is the one that humans should fear most (According to CrocBITE - in that it kills more people than others).

      A most misleading statistic.

      The Nile Delta is incredibly densely populated by humans.

      The Australian range of the Saltie is very sparsely populated by humans - but a few get taken every year anyway (mostly tourists - who think they are in Europe or that a croc will act like a 'gator - it's amazing how many people think that "if they leave a saltie alone - it will leave them alone").

      The article also states "Crocodiles, on the other hand, are much more bad-tempered and far more likely to attack humans, even unprovoked.".

      Not strictly true. It's not so much that they are "bad-tempered" as much as they simply see humans as just another form of food.

      ......... They see anything and everything as just another form of food - much like a Great White (shark).

      To a 'gator - I believe that humans are an"apex predator".

      To a "croc" - you is a cupcake.

    • profile image

      Sheila Rowland 

      7 months ago

      If the difference in the snout is a main identifyer, why is the gharial designated a croc and not an alligator?

    • profile image

      CJ Notta 

      8 months ago

      Thank you so very much for the information that you have provided ,it has helped me a lot to learn more about Crocodiles and Alligators. just a few things are in my mind just I would like to ask .. how can one determine whether it's a male or female? are the female cros and gators as evenly or are more stronger then the male cros and gators? can a male Croc or gator kill their females for food?

    • profile image

      Mitzi Gay 

      10 months ago

      In argument with difference crocs crawl whole body but tail off ground gators slither

    • profile image

      Rosemary Mcgrory 

      11 months ago

      Do crocs and alligators kill the same way ?

    • Kierstin Gunsberg profile image

      Kierstin Gunsberg 

      12 months ago from Traverse City, Michigan

      Paul, I’m trying to put my daughter to bed when she starts asking he difference between crocs and gators - of course I had to look it up for her before she fell asleep and your article was one of the first results and definitely the BEST. Great, informative article!

    • profile image

      Dickson, from Nigeria. 

      12 months ago

      I don't agree with the claim that alligators are only found in us and in China, there are alligators in Nigeria, I don't know of every place but in my area we have alligator, though not commonly seen as the crocodiles.

    • profile image

      kalegang 

      14 months ago

      commenting about Athena

      its because the everglades has brackish water

    • profile image

      athena 

      15 months ago

      Thank you very much. I now know the difference between crocodiles and alligators, but I have a doubt. I tis clear to me that crocodiles and alligators live in different places around the world but, why can there be crocodiles and alligators in the same place: The Everglades.

    • profile image

      Devin 

      15 months ago

      I found this article very interesting. I now know the differences between crocodiles and alligators.

    • profile image

      Arn Scott 

      15 months ago

      Any crocs in New Zealand?

    • profile image

      CROCODILES! 

      16 months ago

      Q: What's the similarity between a Crocodile and Windows? A: Neither of them has enough bytes!

      that was by animaljokes.com. ANYWHO... CROCODILES ARE AWESOME!

    • profile image

      trolololol 

      16 months ago

      very very fun to read

    • profile image

      John 

      16 months ago

      In terms of cowboy boots, does alligator or caiman leather hold up better than cow leather?

    • profile image

      kyle 

      16 months ago

      Can an alligator and a crocodile breed to make a "crocogator"? I mean, ligers and zonkeys are a thing so maybe?

    • profile image

      james 

      17 months ago

      How long do they live and how can you tell their approximate age. What are the differences between the male and female alligators and how does one determine whether it is a male or female ? How often does a female give birth and how many babies do they have on average. Are there more males than females or vice versa for the alligators and the crocodiles? Which species is hunted for its meat and by whom? Do people consider them a tasty treat. What part of this reptile is eaten if any? Are any of them poisonous and if you were bitten by one would you need to get an immediate vaccine like you would for a rattlesnake for example?

    • profile image

      couldbecarson 

      20 months ago

      thanks guys!

    • profile image

      Just a fun reader 

      20 months ago

      Thanks my bro had a project I helped him with

    • ziyena profile image

      ziyena 

      21 months ago from Somewhere in Time ...

      My nightmare. Ugh ... Nile Crocodile Hmmm

      So much for that river trip. Great Hub.

    • profile image

      Elegbede ayodeji 

      23 months ago

      it was a good idea

    • profile image

      yeah right 

      23 months ago

      Thank you so much u helped with a merit badge in boy scouts I loved your article!

    • profile image

      tersoo nguher 

      2 years ago

      it makes scense

    • profile image

      croclover101 

      2 years ago

      gee whiz thx so much that was gr8

    • profile image

      indio and cheyenne 

      2 years ago

      that is very interesting very helpful

      nice

    • profile image

      09871234563 

      2 years ago

      very useful

    • profile image

      Meghan Androsuk 

      2 years ago

      Steve Irwin was the best croc hunter !

    • profile image

      Ottoman 

      2 years ago

      its so helpful, thanks a lot.

    • profile image

      The Famous OA 

      2 years ago

      Wow. I never knew that there was a difference! So cool!

    • profile image

      123456789 

      2 years ago

      this was so useful thank u so much

    • profile image

      Jahzara 

      2 years ago

      This was nice

    • profile image

      julian 

      2 years ago

      thanks alot.

    • profile image

      Australian Hunta Mate' 

      2 years ago

      I have seen every species of croc. You got the green ones, the ones who try to go for ya package, the fiesty ones, and you can't forget the momma crocs. Each one is pretty dangerous mate'. I can't believe anyone could not see the difference between a mean ol croc and an alligator mate'. It's plain out silly. I have seen everything in the outback. The old alligators are nothin' but little lizards to me mate'.

    • profile image

      bill 

      2 years ago

      thxs this has helped me understand

    • profile image

      cool dude 

      2 years ago

      cool information

    • profile image

      Hadlie Baxter 

      2 years ago

      thx so much

    • profile image

      jeffy 

      2 years ago

      this has helped

    • profile image

      blup 

      2 years ago

      ok now i know what the differences are thxs

    • profile image

      tori lewis 

      2 years ago

      thxs this helped me

    • profile image

      Charley 

      2 years ago

      Thanks for the awesome info

    • profile image

      lebron james 

      2 years ago

      this has been the best teaching ever thank you

    • PaulGoodman67 profile imageAUTHOR

      Paul Goodman 

      2 years ago from Florida USA

      Habitat is Number 3.

    • profile image

      jarvis 

      2 years ago

      you missed out the habitat section which was supposed to be No. 2

    • profile image

      Me 

      2 years ago

      THANK YOU!!! Makes homework so much easier.

    • profile image

      Aareev 

      2 years ago

      Thanks you helped me on my english project.

    • profile image

      entiy303/herobrien 

      2 years ago

      thanks for your help!

    • profile image

      James 

      2 years ago

      Thanks helped me on my essay!

    • profile image

      Benjamin Lynn 

      2 years ago

      THIS WAS SO USEFUL THANK YOU

    • profile image

      Tala 

      2 years ago

      It is really helpful ! Thx

    • profile image

      merl 

      2 years ago

      yes got it, thanks

    • profile image

      Croc Expert 

      2 years ago

      The author left out the most important distinction: if he'll see you later, then its an alligator. If it's after a while, then it's a crocodile. :)

    • profile image

      Makenzie 

      2 years ago

      this sit is amazing!

    • profile image

      Elainel Morel 

      2 years ago

      Thanks for the information

    • profile image

      Angel 

      2 years ago

      IT HELPED me a lot in my studies !!!!!!!!!!!

    • profile image

      Mahdes 

      2 years ago

      HI

      I give thanks for this helpful article. the next 2 days i'm going to give a presentation to my ecology teacher and guess what's the topic? differences between alligators and crocodiles!

    • profile image

      Jonathan Schweitzer 

      2 years ago

      A croc swam from Dania Beach(FL) over to Hollywood Beach(FL) before being retrieved by Fish&Game on 11/20/2017.

    • profile image

      Ethan 

      2 years ago

      Helped while doing venn giagram

    • profile image

      Jacob 

      2 years ago

      Helped me a lot with my speech for school, thank you!

    • profile image

      Megan 

      2 years ago

      Those were some snazzy turtles

    • profile image

      Babar Dharani 

      2 years ago

      Great write-up! Thank you

    • profile image

      Shubhadeep Roy 

      2 years ago

      I love crocodiles

    • profile image

      abbi 

      2 years ago

      It is a wonderful website which teaches us about animals.I'm proud of this website

    • profile image

      Mike 

      2 years ago

      Not sure what metric you are using for comparison but as far as pure strength is concerned, Crocs have a stronger bite than gators--as long as you are comparing similar size specimens. A gator does have a bigger mouth (which is one reason they have less bite pressure--the force is spread over a larger area) so may be fair to say they have a more devastating bite overall. Also, croc jaw muscles are about 1/3 larger (again, this is for similar sized specimens). Crocs win the bite force comparison by a factor of about 2.

    • profile image

      Jose 

      2 years ago

      Used this to do a speech in my college class, was very helpful thanks dude

    • profile image

      Daryl 

      2 years ago

      Alligators are fast, got chased by one while on bike. I was able to pull away, alligator then gave up, went back in woods.

    • profile image

      Barkat Ali Swati 

      2 years ago

      It's really good. I 've some doubts about them that were cleared now. Thanks

    • profile image

      Ahmed Shareef 

      2 years ago

      Thanks for this information because I really need this information for my studies

    • profile image

      Steve 

      2 years ago

      I live in Zimbabwe. We have Lake Kariba which is a fresh water lake. There are millions of crocodiles there. There used to only be 1 per square metre. Now there's like 10 per square metre in a Lake that is 223km x 40km (22300m x 4000m)

    • profile image

      Peter 

      2 years ago

      That was very informative! Thanks.

      See a pointy nose and teeth...get gone!

    • profile image

      Snapdragon 3 

      3 years ago

      I've seen on other videos that another differences is how they open the jaws to caught prey. One open the upper jaw while the other open the lower jaw. Is this true and which is which?

    • profile image

      Agnieska 

      3 years ago

      My 5 years old daughter easy spots differences :) and im wondering where did she learn that if she didn't start school yet. Today in another Zoo again she didn't miss and I wanted to cry beeing such stupud - thx for the lecture!

    • profile image

      Julia 

      3 years ago

      I was left a little confused. The article seems to contradict itself several times, sometimes within one sentence.

    • profile image

      Mike baker 

      3 years ago

      I love crocodile meat

    • profile image

      bob smith 

      3 years ago

      it helped me alot

    • profile image

      Seleena 

      3 years ago

      these are really interesting facts but very dangerous.

    • profile image

      unknow 

      3 years ago

      do you know anyone that has been attacked by either one

    • Laetitea profile image

      Laetitea Halin 

      3 years ago from Estoril / Metz

      Here we have a good explanation. In fact, many people confuse crocodiles, alligators and caimans.

    • peachpurple profile image

      peachy 

      5 years ago from Home Sweet Home

      thanks for telling us the differences. Alligators are not so wild as crocs

    • Tom Mukasa profile image

      Tom Mukasa 

      6 years ago from Lives in USA

      Thanks. I do admire those who came before us and who without technology such as night vision video recorders, nor cameras nor guns were able to observe animals as they grazed, fed and protected their young. Thanks once again for throwing more light on the Alligator and Crocodile. I wonder which of the two would sleep with mouth open without fear of its tongue being a meal for another? These are two animals that terrorize others in the waters!

    • Rebecca E. profile image

      Rebecca E. 

      6 years ago from Canada

      well can't say i didn't learn anything here. All the more reason to avoid an alligator.

    • profile image

      Jackson 

      7 years ago

      thanks people, im doing a report and this was far better then any other website

    • profile image

      Howard 

      7 years ago

      This made my homework way easier

    • profile image

      keldrick 

      7 years ago

      crocodilias are cool

    • profile image

      Rikki Lowe 

      8 years ago

      Thanks for the information! You helped me a lot!!! :)

    • profile image

      bla 

      8 years ago

      it helps

    • profile image

      CoryMladen 

      8 years ago

      For me both are charming, well I won't dare to get closer to them :)

    • PaulGoodman67 profile imageAUTHOR

      Paul Goodman 

      9 years ago from Florida USA

      Alligators are actually pretty timid and will try to run/swim away if approached. I think it's still best to be wary of them, as they have a bonecrushing bite! :-)

    • MsQuestion profile image

      MsQuestion 

      9 years ago from New Jersey

      Okay! I always wondered what the difference was! If I see either one,though, I'm running away! (Although here in New York..probably NOT going to happen).

    • profile image

      klarawieck 

      9 years ago

      Great hub! I love watching them in the Everglades, which is the only place in the world where alligators and crocodiles coexist.

      Now about the turtles... true those alligators can crush their shells, but they surely like to surf and sunbathe on top of those sleeping logs!

    • PaulGoodman67 profile imageAUTHOR

      Paul Goodman 

      9 years ago from Florida USA

      Thank you for pointing out the video problem, Will. I have now replaced it! :-)

    • profile image

      Will Apse 

      9 years ago

      Your second vid comes up as 'private' which is a shame- the first one was great.

      I enjoyed the rest of the page, too.

    • PaulGoodman67 profile imageAUTHOR

      Paul Goodman 

      9 years ago from Florida USA

      Thank you very much for your kind words and the podcast feature, Simone. I am honored by your interest in my work! :-)

    • Simone Smith profile image

      Simone Haruko Smith 

      9 years ago from San Francisco

      Heya PaulGoodman67! I just wanted to say that the HP Staff and I loved this post so much, we featured it in a podcast to discuss it and introduce it to more people! You can find the podcast here: http://blog.hubpages.com/2011/04/alligators-vs-cro...

      Props on the fantastic Hub!

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