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An alligator has a large, fourth tooth in the lower jaw that fits into a socket in the upper jaw. This means the top jaw actually cannot move without either crocodile or alligator … Alligators are faster in water when compared to crocodiles; they can reach the maximum speed of 20mph. When alligators have algae growth on their skin, they will appear more greenish. In his spare time he likes to read and do circus skills. Color. A design that has been refined and shaped through evolution over a very long time. The alligator's snout will have none of its lower teeth visible, whereas the crocodile's large fourth tooth can always be seen. Larger alligators have been known to attack bears, panthers, and dogs. Alligators and crocodiles look extremely alike. Did you know crocodiles and alligators have been around for over 230 million years? https://animals.howstuffworks.com/reptiles/alligator-vs-crocodile.htm These scaly beats are truly some of natures most perfectly designed, predatory killing machines. As you can imagine, there are many differences between the three families of crocodilians, especially between alligators and crocodiles. Read the following article to understand how the distinction can be done with just a couple of minutes of observation. Crocodiles are different from alligators in this sense, where both upper and lower jaws of a crocodile are the same size, exposing their teeth as they interlock, creating the look of a toothy grin. Alligators lack an ability to tolerate salt in such a way that a crocodile can. No animal wants to be caught in between the jaws of a crocodile, and since we can watch from a safe distance on airboat rides in Orlando, we can't be any happier. In alligators it’s broad and U-shaped, while in crocodiles it’s narrow and V-shaped. Really, it makes it look like an insidious smile. On top of this if look closely enough, you can see that an alligator’s teeth appear to more rounded, whereas a crocodile’s teeth tend to be more pointed. Alligator Vs. Crocodile: Here’s a Detailed Comparison With Pictures. In the case of alligators, the lower teeth are typically not visible when the mouth is shut. A crocodile does not have a fourth tooth in the lower jaw. The alligator’s broad snout is designed for strength, capable of standing up to the stress caused to the bone from the massive amounts of pressure that are used to break the shells of turtles and other hard-shelled creatures which form part of their diet. Finally, you should try and look at the shape of the snout and the jaw. The head of a Crocodile is longer and narrower while an Alligator’s head is larger and rounded. Across these three families are 23 different species, that have existed for more than 240 million years – that makes them 65 million years older than the dinosaurs! Alligators can weigh up to 1,000 lbs and can grow up to 10-19 ft. There are exceptions to this rule, however – one example of such is the Indian Mugger Crocodile, which has a shorter, broader jaw not unlike an alligator’s, but certainly fits all the other classifications of being a crocodile! The crocodile’s pointed snout isn’t quite as strong as the alligator’s, but it can still withstand the large amounts of pressure that a crocodile packs behind its bite. He enjoys writing about video games, television and general knowledge. Do you or anyone you know, live with exotic animals? Alligator vs Crocodile Teeth I am no artist, but I did my best to create a graphic showing how the teeth of alligators and crocodiles display when their mouths are closed. SIMILAR BUT DIFFERENT IN THE ANIMAL KINGDOM. Unlike alligators, crocodile snouts are long, narrow, and pointed (or "V-shaped"). or they just understand what a human is saying ? You will learn something about everything! This is usually due to the type of habitats crocodiles and alligators live in. Speed. If it sees you after a while, it’s a crocodile. Why is that so ? * 2007 , Bernie McGovern (editor), Florida Almanac: 2007-2008 , … Because both alligators and crocodiles are carnivores, they have particularly powerful senses. So there you have it, some interesting facts that differentiate crocodiles from alligators. In crocodiles upper and lower teeth incline laterally and interdigitate, leaving characteristic messy, toothy grin. Now this is something alligators have lost the ability to do at some point, so most alligators choose to remain in freshwater habitats like swamps, lakes or streams. When its mouth is closed an alligator’s bottom teeth are hidden, and a crocodile’s bottom teeth are not. Another notable difference between crocodiles and alligators is the visibility of the teeth on the bottom jaw. As with crocodiles, the type of food alligators eat depends on their size. Another difference is color. This behavior is not displayed in crocodiles however, as studies into crocodile’s mating and their young have shown that some batches of crocodile babies can contain genes from several different males. In the United States, this is no exception. You forgot #8 – if it sees you later, it’s an alligator. The main distinguishing feature is the teeth. This does not mean a crocodile's grip is less strong. Sounds like a bad B movie, but today's article is on the details and comparisons of these two ferocious prehistoric beasts. An alligator’s teeth are not visible when the mouth is closed. As they wear down, they are replaced. A recent study in a wildlife refuge found that up to 70 percent of female alligators mate with the same male year after year. Crocodiles on the other hand are a lighter green and have the V-shaped snout that’s longer and narrower. I think this is one of the most interesting, and definitely one of my favorites. Alligator and Crocodile Diets . the visibility of the teeth on the bottom jaw.An alligator’s upper jaw is wider than its lower jaw, meaning that teeth on its lower jaw are almost completely hidden when its mouth is closed.This Although many male gators do play the field, many of the female alligators were found to display similar behavior with regards to mating as some birds who choose the same mate for life. In fact – there is well-defined space in the upper jaw, behind the nostrils, for this lower fourth-tooth to slot into, making it always visible. Jack De GraafJack De Graaf is a BA English Studies graduate and a part-time writer. Others around the world are far more aggressive than those in America. Should you ever be unlucky enough to have one coming at you hopefully this article will have at least helped you identify your assailant! Alligators and crocodiles jaws are hinged the same. Some of them can hold their breath for up to an hour. In a crocodile the teeth in its upper and lower jaws are in line, but in an alligator , when its mouth is shut, the upper teeth lie outside the lower ones. https://pediaa.com/difference-between-alligator-and-crocodile They can have 3,000 teeth in a lifetime. Crocodiles live between 70 and 100 years. Post was not sent - check your email addresses! Crocodiles have two bottom teeth (the fourth ones from the front) that are always visible (they fit over their upper jaws when closed), and often you can see many of their other lower teeth as well. Teeth Arrangement. We’ve all wondered what makes alligators and crocodiles different, because lets face it, to the ordinary person, they look pretty much the same. What is the difference between the Brazilian Tapir and the Malayan Tapir? © 2021 The Fact Site | All Rights Reserved | Sitemap, The Fact Site requires you to enable Javascript to browse our website, 10 Interesting Facts About Komodo Dragons, 30 Facts About Snakes That Will Rattle Your Mind, 7 Criminals Who Could Still Be Out There Today, April 25: Facts & Historical Events On This Day. Ignore the colors, as I only added color to make the graphic appealing. Remember that alligators are typically a darker color and have U-shaped snouts, flashing only their upper teeth when their mouths are closed. You missed the most important difference, from a human perspective, at least: Crocodiles are much more aggressive towards human beings than alligators. Chinese alligators are generally considered critically endangered. Crocodilia (or Crocodylia, both / k r ɒ k ə ˈ d ɪ l i ə /) is an order of mostly large, predatory, semiaquatic reptiles, known as crocodilians.They first appeared 95 million years ago in the Late Cretaceous period (Cenomanian stage) and are the closest living relatives of birds, as the two groups are the only known survivors of the Archosauria. The American croc can reach a length of about 17 feet, while the maximum length for an American alligator is 13 to 14 feet. What is the difference between the Emu and the Rhea? Pretty simple one – an adult alligator’s skin is usually a darker, grayish black color, but the skin of adult crocodiles is usually a lighter tan/brown color. They have perfectly located eyes for vision when their head are poking above the water, they have pretty amazing night vision too. If you look at a crocodile or alligator’s head, especially the jaws and nose, you’ll see a lot of tiny black speckles, kind of like unshaven stubble. Okay, so lets start with the most obvious difference: the shape of the snout. The crocodile family has been around for 240 million years, longer than dinosaurs lived! Adult male gators are usually bigger than female gators. The Size Difference of the Two Reptiles Crocodiles are generally lighter colours than alligators. So let’s dive into seven interesting differences between these two brilliant beasts. This means a crocodile can tolerate more salty water than an alligator, such as tidal estuaries, coast-lines, and even the sea itself in some species! Check out books on Amazon for stories about species of crocodilians. While alligators appear dark in complexion, crocodiles are usually a lighter brown, green, or gray. Martina Nicolls is the author of Similar But Different in the Animal Kingdom and other books. That happens because the upper and lower jaw of the crocodile are the same in size, unlike the gator’s. On land and in water, crocodiles are usually slower than alligators. Behavior. Regardless of what they are for, they are a great and easy way to tell crocodile skin apart from alligator skin! But don’t be fooled, these teeth aren’t for cutting, just for gripping, as all crocodilians gulp down their food in large chunks, or just whole. Crocodiles, alligators, and gharials share many physical characteristics but also exhibit unique distinctions. Alligator teeth and crocodile teeth are different. Both animals hinge their jaws on the bottom, while the top jaw is simply an extension of the skull. A crocodile’s jaws, however, are roughly the same width. Crocodiles can't hide their teeth, but alligators' teeth are sometimes hidden when their mouths are closed. Like a shark, a crocodilian never runs out of teeth, sharp new ones are always growing in as the old dull ones fall out, most of the time lost in some lovely piece of croc-chow. An alligator’s teeth are not visible when the mouth is closed. From a distance, it’s not too difficult to tell the difference between an alligator and a crocodile when looking at the shape of the snout and visibility of the teeth. You can see an alligator's upper set of teeth from the side while a crocodile's teeth are somewhat interlaced. The Fact Site is the number one source for the most interesting & random facts about animals, celebrities, food, films, games & so much more. Crocodiles has a stout snout. However, it has been known for large alligators to sometimes wonder into estuaries, and rarely coastlines. Shape of the jaw: The easiest way of telling apart crocodiles from alligators, however, is to look at their noses. Alligators have wide and U-shaped snout while crocodiles have pointed and V-shaped snout. Check out the seven main differences between alligators and crocodiles below, along with a few interesting facts about the two of them! Ideally suited for water-life, some crocodilians can swim up to 20 miles per hour, and can run up to 11mph on land. Learn how your comment data is processed. An alligator’s upper jaw is wider than its lower jaw, meaning that teeth on its lower jaw are almost completely hidden when its mouth is closed. Crocodiles tend to be a light tan or olive colour, whereas alligators are usually a dark blackish-grey. External Covering: from skin and scales to fur and feathers. ... New teeth grow to replace worn ones and throughout a lifetime an alligator can have between 2,000 and 3,000 teeth. And don’t be fooled by the fact you can’t see their ears, their hearing is so sharp they can hear their offspring calling them from inside their eggs. Alligators have a wider upper jaw which allows teeth to remain covered while crocodiles have upper jaw and lower jaw which are the same in size hence their teeth cannot remain covered. Alligator teeth and crocodile teeth are different. Mistaking an alligator for a crocodile and vice versa is fairly common. For alligators, the upper jaw is wider than the lower one, so when they close their mouths, all their teeth are hidden. American crocodiles are not aggressive like others around the world. Size. On a side-note: young alligators can be more colorful, sometimes having white or yellow highlights on their black bodies. The younger members of the species eat fish, snails, worms, and other small creatures. 10 Differences between Crocodile and Alligator (Crocodile vs Alligator) The crocodilians includes Crocodiles, Alligators, Gavials, Caimans. In short, they could very well have held the ability to live in marine bodies of water for extended periods of time, or even permanently, migrating around the world through the seas – all of which certainly accounts for the widespread variety of crocodiles all across the world! Crocodilians go through up to 8,000 teeth in their lifetime, and they can chomp through pretty much anything: a crocodilian bite can produce up to 5,000 pounds of pressure per square inch, as compared to the 100 pounds that a human jaw can generate. Next are the teeth. Gray or black? Sorry, your blog cannot share posts by email. This means that the upper teeth interlock with the lower teeth when the mouth is closed. I get a little more than annoyed at this insidious avoidance of all things unpleasant. Alligator teeth don’t show, but the Crocodile’s teeth show. As a general rule of thumb goes; crocodiles have longer, V-shaped snouts, whereas alligators have shorter, U-shaped snouts. There are three groups, or families, of crocodilians: the alligatoridae, consisting of alligators and caimans; the crocodylidae, consisting of the crocodiles; and the gavialidae, made up of only the gharial, a small fish-eating cousin of the larger, buffalo-munching crocs. An alligator has a large, fourth tooth in the lower jaw that fits into a socket in the upper jaw. A crocodile’s teeth are visible when the mouth is closed. The spread of alligators around the world is also more limited than with crocodiles. Now these are just modified saliva glands that allow crocodiles to excrete large amounts of salt from their surroundings, such as the water they are in. Alligator feet are not webbed like Crocodile feet. Crocodiles have functioning salt glands on their tongues, although not obviously noticeable, they can be seen when crocodiles bask in the sun out of water with their mouths open. Furthermore, it is sharply constricted or notched on the snout. Both alligators and crocodiles have between 74 and 80 teeth. One of the main differences between alligators and crocodiles is their color. The upper jaw of "true" crocodiles is not as broad as that of alligators and caimans. Alligators have a bite pressure (strength) of about 2700 pounds per inch. A full-grown crocodile will likely be several feet longer than an adult alligator. But, as they mature, they move on to larger fish, turtles, some mammals, and birds. This is illustrated in the diagram to the left (C = alligator, D = crocodile). These tiny dots are called Dermal Pressure Receptors (or DPRs), which are capable of detecting small pressure changes in water to help them locate and capture their prey. What makes alligators a special kind of crocodile? Yet crocodiles tend to live in lighter colored waters, making a lighter skin-tone more suitable as camouflage. This site uses Akismet to reduce spam. The teeth of alligators are mostly hidden when the mouth is closed while crocodile cannot hide their teeth. Martina Nicolls: SIMILAR BUT DIFFERENT IN THE ANIMAL KINGDOM. Teeth Crocodiles have a notch behind the external nostrils through which an enlarged 4 th tooth on the lower jaw projects upward. In contrast to alligators and caimans, when "true" crocodiles close their jaws the enlarged 4th tooth on the lower jaw rests in … Although both crocodiles and alligators have them covering their faces, crocodiles have similar organs covering the skin on their entire bodies whereas alligators do not. A crocodile does not have a fourth tooth in the lower jaw. Crocodiles also show off their upper and lower sharp teeth even when their jaws are closed. While an alligator can mostly hide its teeth when its mouth is closed, a crocodile has most of its teeth exposed. A crocodile’s large fourth-tooth on the lower jaw is always visible when the mouth closes. Alligator vs. Crocodile Did you know alligators are actually a type of crocodile? In crocodiles, however, some teeth in the bottom jaw appear, most notably the large fourth tooth. Alligators prefer to live in freshwater bodies while crocodiles prefer to live in salty water bodies. American Crocs are trained or something ? Their jaws can exert more pressure than any other living animal, and even more than a T-Rex some experts say! … Crocodiles are generally lighter in color than alligators. Politically “correct”, or not, crocodiles are much more likely to attack humans, and, an informed human is a safer human. However, crocodile’s jaws are often thought of as a more generalised jaw – ideal for the wide variety of prey that make up its diet. But if you know what you’re looking for, you’ll be able to tell them apart instantly! For alligator, no teeth are visible at the bottom of their mouth when their snouts are closed. They are all members of the class Reptilia and order Crocodilia, but belong to different families.The alligator and crocodile share more similarities than the gharial, which is distinguished by an elongated snout. Alligators (and caimans) have a wide "U"-shaped, rounded snout (like a shovel), whereas crocodiles tend to have longer and more pointed "V"-shaped noses. Larger alligators eat 6 to 7 percent of the juvenile population every year. Alligators tend to live in darker water, such as swamps, or slow-moving rivers. This is because an alligator’s upper jaw has small sockets on the inside that the teeth slot into when its mouth is closed. Alligators only naturally reside in America and India, whereas crocodiles reside naturally over much more of the world. Although the role the DPRs on crocodile skin play is currently unknown, scientists believe that they probably extend the sensory surface over the crocodile’s entire body. "True" crocodiles. Because of this alligators often prefer freshwater habitats, whereas crocodiles tend to favour more saline habitats. Crocodiles are on average three feet longer than alligators. Alligator vs. Crocodile Coloring Alligators tend to be darker in color than crocodiles; alligators are dark blackish-grey, whereas crocodiles are light tan or olive color. The upper teeth of alligators are straight and enclose the lower teeth. 7.) But, and this is the really interesting part, this suggests that crocodiles have quite an ancestral marine history. But let’s just hope you never too close to actually notice that one! Meet Squirt, a teeny little Alligator with lots and lots of teeth and a fiery attitude!

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