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Why are pandas the only vegetarian among bears? Is it forced by the situation, or is it just a hobby?
发布时间 : 2024-01-30
作者 : jumbo
访问数量 : 60
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The skinny panda Yaya, who was starving in the United States, returned to her homeland after an absence of 20 years half a month ago. After returning to China, Yaya received professional care and a mountain of bamboo. Yaya can eat freely, but I don’t know if you have ever thought about it. Although the panda looks cute, it is indeed a bear. The status of bears in nature is also at the leadership level. Why has the panda become a bear? The only bear among the species that is vegetarian? Is it forced by the situation, or is it just a hobby?

Why are pandas the only bears to be vegetarian? Is it a necessity of circumstance, or is it a preference of bears? /p><p>First of all, pandas eat bamboo out of necessity, not out of preference. Changes occurred in the Qinling Mountains and the mountains to its south during the Pleistocene 4 million years ago. The late Pleistocene was the glacial period, the global climate was cold, and the Qinling Mountains and the mountains to its south were also affected by glacial activities. The formation and expansion of glaciers caused major changes in the topography of mountain ranges, and glacial etching and accumulation shaped the topography of mountains. The climate became cooler and drier during the late Pleistocene, resulting in changes in mountain vegetation. Decreases in temperature and precipitation may cause original forests to gradually retreat to high mountain areas and humid low-altitude areas, with grasslands and shrubs gradually replacing some forest areas. This led to the destruction of the local ecosystem, and pandas had no choice but to start eating bamboo in order to survive. They have been eating bamboo for millions of years. </p><p style=Why are pandas the only bears to be vegetarian? Is it a necessity of circumstance, or is it a preference of bears? /p><p>After long-term evolution, pandas have developed physiological characteristics adapted to the digestion of bamboo. Pandas have a special digestive system, including particularly powerful jaw muscles, tooth bone structure and digestive tract adaptations. Their relatively long digestive tracts help break down and absorb fiber and other complex carbohydrates in bamboo efficiently. In addition, a large number of microorganisms live in the intestines of pandas. These microorganisms can help pandas digest bamboo and convert it into nutrients that are easier to absorb. </p><p style=Why are pandas the only bears to be vegetarian? Is it a necessity of circumstance, or is it a preference of bears? /p><p>Although bamboo has lower nutritional value than meat, bamboo itself is divided into different types, and there are certain nutritional differences between different parts. By ingesting different types and parts of bamboo, pandas can meet the various nutritional elements they need to a certain extent. Different species of bamboo may differ in fiber, protein, minerals and vitamins, providing pandas with a certain nutritional diversity. </p><p>As the only vegetarian species among bears, pandas have adapted their digestive systems and behavioral habits to eating plants as their staple food. Herbivores typically spend most of their time foraging and need to consume large amounts of food each day to maintain their body weight and the energy they need to survive. There is a large amount of bamboo in the habitat where pandas live, and pandas can only choose to use bamboo as their main food source to meet their survival needs. In order to better digest bamboo, the size of the panda also increased after it started eating bamboo. According to fossil records and genetic research, the ancestors of the panda were relatively small and similar in size to modern raccoons. However, over time, the panda gradually developed a larger size and became one of the modern large bears. </p><p style=Why are pandas the only bears to be vegetarian? Is it a necessity of circumstance, or is it a preference of bears? /p><p>Although the pandas you see seem to be eating bamboo all the time, pandas don’t just eat bamboo. Wild pandas make up 90% of their diet, and 10% of their food comes from berries, nuts, and insects. , small mammals and fish. </p><p>Pandas are vegetarian, but their fighting power is not vegetarian. The weight of a panda can reach 360 kilograms. Although the panda looks silly, it can run at a speed of 50KM/H. Even Usain Bolt can't outrun it. The bite force of an adult panda is approximately 2,000-2,500 Newtons. This bite force may be weaker than that of other large carnivores, but it has no problem crushing human bones. A panda's slap has more than half a ton of force, so pandas have basically no natural enemies in nature. </p><p style=Why are pandas the only bears to be vegetarian? Is it a necessity of circumstance, or is it a preference of bears? /p><p>Through millions of years of evolution, the panda has now transformed from a ferocious beast into a

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