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A pangolin, which has lived for 50 million years, can eat 70 million termites a year. Is its nail plate really effective?

Time:2023-02-03 04:20:41 source:ucutxmastrees.com author:Fish Read:156次
A pangolin, which has lived for 50 million years, can eat 70 million termites a year. Is its nail plate really effective?

At around 1:00 am on July 28, Uncle Chen, who had been busy all day, was staying with his wife on the terrace to enjoy the coolness. The cool breeze blew in, making him narrow his eyes comfortably. Suddenly, the barking of dogs broke the tranquility of the suburbs. Uncle Chen got up and looked, and suddenly found a dark figure under the street lamp at the door. It has a slender body, covered with neatly reflective scales, a cone-shaped head, and short and sturdy limbs. Maybe many young people now have not really seen it, but when Uncle Chen was young, this kind of creature can be said to be quite common, and he recognized it at a glance that it was a pangolin. Moreover, Uncle Chen, who loves to read the news, also knows that pangolins are now protected animals in my country. On June 8, 2019, the China Biodiversity Conservation and Green Development Foundation spent 3 years investigating the traditional habitat of Chinese pangolins, only 11 Chinese pangolins were effectively recorded, and no wild population could be found in mainland China exist, so the Chinese pangolin is declared functionally extinct. Of course, this conclusion is still highly controversial, but it is undeniable that Chinese pangolins are indeed endangered. Uncle Chen hurried out the door, because there was a group of domestic dogs in the direction of the pangolin. If the pangolin was allowed to pass, this little life might die. The pangolins were also very nervous when they saw people, and they avoided everywhere. After chasing after ten minutes, the pangolins ran to the door of Uncle Chen's house. Uncle Chen picked up the bucket and quickly covered it under it, but what to do next? Uncle Chen thought about it for a long time, and suddenly had an idea, took out a rice jar, put the pangolin curled up in a ball in it, and took it home to protect it. Early the next morning, the Xianju County Chengguan Police Station, which received the call, contacted the Wildlife Conservation Association and other personnel, rushed to the scene together, and delivered the pangolin to the association. Upon examination, the male pangolin was found to be in good health, with no trauma, and with sufficient energy to require no treatment. So, the staff quickly brought it to a suitable environment and released it to nature. But this pangolin is not the first pangolin "visited" in Xianju County in the past three days. Just on July 26, another female Chinese pangolin accidentally broke into the factory of a company and was discovered by employees. After the staff arrived, they found that the pangolin was also healthy, so they sent it to Xianju National Park overnight for release. After opening the cage, the pangolin didn't dare to move for a while. It didn't look back until it was sure it was safe, and slowly got into the dark night. There are 8 species of pangolins, and 4 species are distributed in Asia and Africa. All pangolins are endangered species. The two pangolins that appeared in Xianju County, Zhejiang Province are both Chinese pangolins and belong to the first-class protected animals in my country. Their frequent visits not only made people happy, but also attracted the attention of relevant departments. It was decided to set up monitoring points in the wild. Strengthen the monitoring and patrol in the wild to protect these cute little lives.

"Forest Guardian" Pangolin

The Chinese pangolin, a mammal belonging to the family Pangolinidae of the order Lepidoptera, has a shorter tail than other pangolins, so it is also It is called the short-tailed pangolin. Despite its scales and a pair of sharp claws, it is actually a timid and harmless creature. When faced with danger and unable to escape, the pangolin will only bury its head, shrink its limbs, and roll its tail forward, shrinking into a spherical shape on the spot. Its claws look intimidating, but are only used for burrowing, not attacking. Its way of survival is to rely on a strong armor to keep the predators away. In order to prevent being hunted by beasts, it will also cover its feces with soil after defecation. The pangolin has a small mouth and no teeth, so it can't bite or chew, but it is a carnivore. What kind of animals can it catch? The answer is ants and termites. The pangolin's vision is severely degraded, and it can hardly see the surroundings, but its sense of smell is very keen, and it can find the ant nest in the jungle. At this time, it will use its claws to dig through the soil, find the ant nest, and then stick out its long tongue to start eating. The pangolin's tongue is very long, the longest can even reach 40 cm, and the adult pangolin's own body length is only 33 to 59 cm, and this tongue is almost as long as itself. The mouth of a pangolin is just that big, how did it fit this long tongue? In fact, the tongue of the pangolin is not like the base of the human tongue. Its tongue structure is very strange. Only part of it can stick out of the body. When not in use, it will curl up and put it into an organ called the throat pouch in the chest cavity. In another part of the body, it can directly reach the stomach. This tongue will also secrete a fishy-smelling mucus to attract termites, and this mucus can also be used to neutralize formic acid and help pangolins eat better. Retract the tongue and send the termite into the stomach. In addition, pangolins have special muscles that close their nasal passages, ear canals and esophagus. This allows them to burrow into the ant nest, as long as they close their eyes, they will not be hurt by the termites, and closing the esophagus can also prevent the termites that eat into the stomach from escaping. It is estimated that an adult pangolin can eat 70 million termites in a year, effectively preventing termite infestation. Termites mainly feed on wood fibers, and pangolins prey on termites also protect the forest in disguise, so pangolins are also called "forest guards".

The burrower

The pangolin is a burrower in nature. Although it can't really dig through hard rocks, it can dig it out in one day. A tunnel is 5 meters deep and more than 10 meters long, and they will also dig different "houses" according to the seasons. In summer, pangolins will choose higher ground to dig holes. The tunnels in the holes are relatively short, so that the nests are ventilated and cool, and at the same time, they can avoid being flooded by rainwater. In winter, pangolins will find a leeward place where they can bask in the sun and dig their holes. This winter's nests are not only deep, but also the tunnels are more complicated to dig. They will also pass through 2 or 3 termite nests as pangolins for the winter. "granary". At the end of the hole, there is a "bedroom" covered with soft weeds. If the owner of the hole is a pregnant female pangolin, it is also used as a "nursery room".

Nail tablets are as effective as human fingernails

Pangolins have very weak reproductive capacity, and generally only give birth to one cub a year , For this single seedling, the pangolin mother seems to be very attentive. When pangolin cubs are born, their scales are very soft and have no protective effect. In order to protect the cubs, when they are not going out, the pangolin mother will hold the cubs tightly in her arms to sleep. After the scales on the baby pangolin gradually harden, the pangolin mother will take it out to hunt and hunt, while the baby pangolin will lie on the mother's tail and will not move casually, very well-behaved. If in danger, the pangolin mother will hold the child in her arms for the first time, and will not let go even if it is injured. This is the instinct of a mother to protect her child. If it was in nature, many predators would not be able to deal with this scaled armor, and the pangolin mother and child could survive safely, but in the face of humans, this way of protecting the child had the opposite effect. Many people believe that pangolins have medicinal properties, or that their meat is great for nourishment, so they are hunted in large numbers. But does its nail plate really have medicinal value? After experts' research on the ingredients and medicinal effects of pangolin nails, it was found that the effect is comparable to that of human nails. Using pangolin scales as medicine is no different from using human nails directly. The medicinal material of pangolin is also used in 2020. Pharmacopoeia removed. The so-called Dabu is a rumor spread by some people with ulterior motives. Any wild animal will inevitably carry all kinds of bacteria, viruses and parasites. Pangolins are full of various bacteria and viruses. If these viruses are transmitted to humans, it will be a disaster. Pangolins do not have weapons to hurt people, but they are slaughtered because of people's ignorance. Any wild animal is a part of the natural ecology. To protect wild animals is to protect ourselves.

(责任编辑:Beast)

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