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The Chinese white dolphin is a national first-class protected animal, and it is called the giant panda in the water.
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The Chinese white dolphin is a national first-class protected animal, a symbol of auspiciousness and friendliness, and is known as the "giant panda in the water" due to its scarcity.
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The white dolphin is kind-natured, hot, and rare, and is about to become extinct.
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Due to its scarcity, it is known as the "giant panda in the water".
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The narrow snout, with a round and raised forehead, is delicate and smooth, which is known as the "giant panda in the water" and the rare species endemic to the Yangtze River in China - the white-sided dolphin. Its back is light gray-blue, and its belly is white, soft and refreshing, looking from afar, it looks like a pure girl in the water.
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Because the white dolphin is on the verge of extinction, hence the name.
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Because the number of white dolphins is extremely rare.
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Because this species is already on the verge of extinction.
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The white-sided dolphin has been around for more than 10 million years and is a very ancient species. Therefore, it is known as the "giant panda in the water".It is an extremely rare "living fossil" and has very important scientific research value.
But with habitat destruction and overfishing, it is becoming increasingly difficult for the dolphin to survive. This, combined with their inherently low reproductive rate, small population base, and low genetic diversity, accelerates the risk of extinction. Today, the white-sided dolphin is listed as a "critically endangered" species, and the situation is extremely seriousIt was once declared "functional extinction".
The white-sided dolphin is not white all over, but is named because it is much lighter in color than the finless porpoise. Adult white-sided dolphins have a bluish-gray back and a white belly.
The existing white-sided dolphin is not very different from the original white-sided dolphin, and retains most of the ancestral form. It may be that the competition is not so fierce, and at the same time, the environment changes less, causing them to evolve slowly, and from them, you can get a glimpse of some traces of ancient times, and the opportunity is very rare.
In 2018, someone found a suspected white-sided dolphin on the river and took a photo. Although it is uncertain whether it is a white-sided dolphin or not, it also gives hope to the protectors of the white-sided dolphin. In November of the same year, the IUCN Red List of Threatened Species was updated, and the white-sided dolphin was not declared extinct in the wild, which is also good news, and there is still a glimmer of life.
But everyone also knows that the chances of the white-sided dolphin continuing to survive are almost zero. It's just that I still have a little fantasy in my heart. And it's not just the white-sided dolphin, there are too many species that are accelerating to extinction due to human interference.
I don't know when this scythe of extinction will hang over the neck of mankind.
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The number of white-sided dolphins is very small, and it can be said that the number of animals has decreased dramatically due to the influence of human activities, has been on the verge of extinction, so the white-sided dolphin is very, very precious, if the human behavior factors are no longer well controlled, then this very precious water panda may eventually disappear in the world, the white-sided dolphin is mainly a kind of light crystal unique to our country, the size is relatively small compared to other spirits, only in the middle and lower reaches of the Yangtze River to survive, so it is called the water panda, since the 20th century, human activities have led to the number of this creature is decreasing very quickly.
In 1988, the white-sided dolphin was listed as a key protected species by our countryAlthough the state has been protecting this creature, but still can't prevent this population of organisms from disappearing, so everyone thinks that this creature is the first to gradually become extinct because of people's reasons a kind of cetacean and dolphin creatures, remember that in 06 years, experts from several countries, specifically from Yichang to Shanghai, conducted an investigation near the main stream of the Yangtze River, and did not find the baiji dolphin during the investigation process, so it is considered that this creature is functionally extinct, However, in 18 years, it was announced that the creature was not extinct, but was assessed critically endangered.
There is only a certain degree of difficulty in the protection of white-sided dolphin animalsIf people want to protect this creature, they need to improve the quality of the Yangtze River water, then people may need to avoid a lot of things in the process of navigating the Yangtze River, and there is no way to navigate normally, plus the living environment of this creature has certain restrictions, so if you want to protect it, there are many problems.
If the white-sided dolphin is as easy to protect as the giant panda, then it will certainly not be on the verge of extinction, but it can only be said that this animal is becoming extinct because of the unsuitable living environment, we can only express deep regret for this, but we must also do our best to protect them.
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As an animal called the giant panda in the water, the white-sided dolphin also shows that the white-sided dolphin is particularly rare and precious, and the number of them in the world is very small, so we must protect her.
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Its artificial breeding is very difficult, once our country carried out a very careful and careful artificial breeding of a baiji dolphin, and finally failed to let it successfully breed, and it lives in the middle and lower reaches of the Yangtze River, if you want to protect it, you must protect the Yangtze River, which will hinder the development of the economy, so the baiji dolphin is very difficult to survive, very precious.
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The Chinese white dolphin is known as sousa chinensis. Like other whales and dolphins, the Chinese white dolphin is a mammal with common characteristics of mammals: constant temperature, breathing with lungs, viviparity, and young breastfeeding.
The earliest recorded Chinese white dolphin was discovered during the Tang Dynasty. Although this adorable dolphin has a "white" character in its name, in reality, newborn Chinese white dolphins are generally dark gray and gray when they grow up, while adult Chinese white dolphins are generally pink.
The Chinese white dolphin is generally distributed in the western Pacific Ocean, the Indian Ocean and the southeast coastal areas of China, and belongs to the national first-class protected animals, known as the "water giant panda".
Physical characteristics of the Chinese white dolphin have a slender body and a narrow beak. Newborn juvenile white dolphins are about 1 meter long and can reach 200 250 kg when they grow up. The eyes of the white dolphin are black and shiny, and they look cute and intelligent; The dorsal fin is located at the top of the back, and the caudal fin is horizontal, which is very strong and powerful, which is good for maintaining balance in fast swimming.
The pink** color of an adult Chinese white dolphin is actually caused by the blood vessels under its epidermis, which is related to its special way of regulating body temperature.
Positioning systemThe Chinese white dolphin has smaller eyes and poor vision. Like bats, white dolphins rely primarily on echoes for localization. When the sound signal hits an object, it is reflected back and received by a fat groove in the white dolphin's palate, which is transmitted to the inner ear for precise positioning.
This echolocation system is very responsive and very sensitive. Modern surveying and mapping and remote sensing technology have completed the research on underwater sonar technology with reference to the echolocation of white dolphins, which is of great significance for the development of modern oceans and the construction of national defense and military.
The lifespan of breeding Chinese white dolphins is generally 30 to 40 years, and they can mate all year round, and the gestation period is similar to that of humans, usually 10 to 11 months, and each litter gives birth to a cub.
In June and July, the dolphins mate in the water and give birth to their cubs in March and April of the following year.
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Because the number of white dolphins is very small, even endangered, it is a very precious existence, and the giant panda is known as a national treasure, so the white dolphin is considered a national treasure in the water, which shows that its status is very high.
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Because it is very rare, the number is very small, and it is also considered a symbol of good luck and friendliness, so it is also known as the water giant panda.
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Because this animal is very rare, it will be called so honorific, and we must all protect it.
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Because the Chinese white dolphin is an endangered national first-class protected animal, their number is very rare, about the same as the number of giant pandas in China, there are only more than 2,000 left. I hope we can protect the environment, give them a good living environment, and at the same time love them, do not harm or infringe.
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A: The Chinese white dolphin is one of Hong Kong's mascots, and this special sound-sensing function of the dolphin has been studied by the life sciences and the military department in biomimicry, and in 2000, there were fewer than 100 living in the Pearl River.
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