What are the peculiarities of the Komodo dragon?

2020-11-11 | Animal Express Original |

The Komodo dragon is the largest in the entire lizard family. After adulthood, the male weighs between 79-91 kg and the female is between 68-73 kg. The average body and tail are 2-3 meters long. The tail and bodyIt is almost long, with strong limbs, as strong as the arms of an adult man. The whole body has armor scales, and the overall appearance is dark brown, but the appearance of the Komodo dragon cubs is black, yellow, and green. In addition, they have 60 regularThe replaced jagged teeth make them super predatory.

The Komodo dragon lives in the Lesser Sunda Islands in Indonesia, including Komodo Island, Motang Island, etc. It likes to live in dry and hot places. It can be found in forests and grasslands. BranchModo dragons live alone and only gather together when they eat or breed. This is similar to many cats.

Komodo dragons are most active during the day, especially in the afternoon, but some find that they will also come out at night, but this does not mean that they are nocturnal animals. After all, Komodo dragonsLizards are reptiles, and they have many characteristics that reptiles should have.

Komodo dragons are good at digging holes, so they put their homes under rocks or caves under trees. Because the cave’s thermal insulation properties are very good, the Komodo dragons can keep their body temperature all night. The sun rises every day.When it started, the Komodo dragon left its lair. Generally, it first went to the rocky surface to bask in the sun to make its body warmer before looking for food. During this time period, the Komodo dragonThe lizards are more docile, but it does not mean that they are not dangerous. Generally speaking, in the afternoon, it is the peak predation period of the Komodo dragon.

Generally speaking, most of the food of the Komodo dragon is carrion, but as a carnivorous dragon, its predation ability is also quite strong. Wild boars, snakes, monkeys and other animals are its prey targets, and occasionally attackHumans, many people in the world have died from being bitten by a Komodo dragon, because its venom can block the blood clotting in the wound.

About the Komodo dragon's predation, there is a special behavior, that is, when it deals with large animals, it will bite it, and then rely on the ability of the venom, and soon the prey will die, and then the Komodo giantLizards also rely on their sensitive sense of smell to find prey and eat wildly.

When the Komodo dragon is not fully adult, it will use its claws for climbing exercises. As the technology matures, it will be able to climb up the tree to capture some food that is usually unlikely to be touched, such as birdsEggs and the like. But after the Komodo dragon becomes an adult, its body size becomes huge, and the climbing function of its claws is degraded. After all, with such a large body here, climbing is not realistic, and at this timeAnother skill of its claws has become more powerful, that is, as an offensive weapon, it can use its hind legs and rely on its tail to stand up, just like a tiger stands up to fight.

A staggering thing happened in Indonesia a few days ago, that is, a giant Komodo dragon swallowed a monkey in just 6 mouths. After watching it, many people felt that it was cruel.The Komodo dragon is known to more people.

Then what kind of animal is this? It looks like a normal lizard in appearance, but its body is much larger than a normal lizard, so that many people think that this is a modern "dinosaur".?

In fact, it is not an exaggeration to say that the Komodo dragon is a modern "dinosaur", because its other two names are Komodo dragon and Devil dragon, but from the name we know that this is a kind ofAnnoying animal. In fact, this is indeed a very cruel animal. Komodo dragons will eat their larvae and sometimes other adults as adults.

On the aspect of eating, it is also one of the scary places of the Komodo dragon. Just like it eats monkeys, it uses the raw way to eat. This eating aspect is similar to that of ordinary lizards and snakes.

The Komodo dragon is a species in the monitor lizard, but unlike most cold-blooded reptiles, the Komodo dragon is far superior to them in terms of endurance and speed.People who are not very familiar will think that the Komodo dragon is a warm-blooded animal. After all, some of its behaviors are very different from the cold-blooded animals we know.

Generally speaking, reptiles are cold-blooded animals, they lack the ability of aerobic exercise and are prone to fatigue. Externally, they are not flexible and have poor endurance.

But the Komodo dragon is an exception among cold-blooded animals. It is not only extremely fast, but also has good endurance. Their short-term sprint speed can reach 20 kilometers per hour. Since the Komodo dragon does not belong toWarm-blooded animals, but what makes them so different from ordinary cold-blooded animals? A study in the United States has unlocked this secret for us. Simply put, researchers have discovered three Komodo dragonsGenetic changes, precisely because of this, make them have the common characteristics of reptiles but not mammals.

Researchers performed genome sequencing of two Komodo dragons in the zoo after collecting blood, and found that:

The first genetic adaptation changes the function of mitochondria in their cells. We all know the function of mitochondria. It is the energy-producing structure in the cell. It can be roughly understood as the "motor" of the cell and the cell's process.The main place for aerobic respiration. The change of mitochondrial function of the Komodo dragon enhances its aerobic exercise ability, making it more resistant to fatigue than ordinary reptiles.

The second genetic adaptive change is reflected in the venom. The venom of the Komodo dragon is an anticoagulant compound. Simply put, once bitten by it, the blood in the wound will not clot and will bleed all the time., Until it dries, this is very important for the survival of the Komodo dragon. However, people have discovered a special situation, that is, when the Komodo dragon cannibalize the same kind, they themselves are not bitten by the same kind.Injuries and blood flow unceasingly, this is due to the aforementioned genetic adaptations, which makes them immune to this venom.

The third genetic adaptation affects the control of chemoreceptors. Generally speaking, in mammals, by sniffing chemical information such as hormones and odors, it is easy to identify the information contained therein, such as the use of hormones by animalsInformation recognition of the same kind, etc. This change makes the Komodo dragon also possess this ability, it can also sniff chemical information such as hormones.

The Komodo dragon is a species left over from the dinosaur era. In many ways, the Komodo dragon is a very special existence in the entire cold-blooded animal family. Perhaps it is just one of its specialities.It makes them the top predators on the island today.

The current living conditions of Komodo dragons are not optimistic. The number of individuals in the wild is estimated to be about 3,000. Because of the hard and thick skin, they have been hunted in large numbers.

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