染雾一种动物迁徙英语作文 篇一
Migration of Monarch Butterflies
Introduction:
Monarch butterflies are known for their fascinating migratory behavior. Every year, millions of Monarchs travel thousands of kilometers from Canada and the United States to Mexico. This incredible journey has captured the attention and curiosity of scientists and nature enthusiasts alike.
Migration Process:
The migration of Monarch butterflies is a complex and remarkable phenomenon. It begins in the late summer when the butterflies in the northern regions sense the changing weather and diminishing food sources. They start their journey southward, following a precise route and relying on their innate navigation abilities.
During the migration, the Monarchs face numerous challenges. They encounter strong winds, rainstorms, and even predators, yet they persevere. They fly during the day, taking advantage of the sunlight for warmth and energy. At night, they rest and roost in trees to protect themselves from the cold and potential predators.
Destination:
The ultimate destination of the Monarch butterflies is the oyamel fir forests in central Mexico. These forests provide the perfect conditions for the butterflies to survive the winter. The temperature remains relatively constant, and the dense canopy of the trees provides shelter from harsh weather conditions.
Once the Monarchs reach their destination, they cluster together in large numbers, covering the trees like an orange blanket. The clustered butterflies help to conserve heat and maintain a stable microclimate. This behavior is crucial for their survival during the winter months.
Reasons for Migration:
The migration of Monarch butterflies serves multiple purposes. One of the main reasons is to escape the cold temperatures and scarcity of food in their northern habitats. By migrating to Mexico, the Monarchs ensure their survival during the winter when food sources are limited.
Another reason for migration is the need for breeding. The Monarchs that reach Mexico mate and lay their eggs on milkweed plants. The eggs hatch into caterpillars, which eventually transform into butterflies. These new generations of Monarchs then continue the journey back north, completing the cycle of migration.
Conclusion:
The migration of Monarch butterflies is a captivating natural phenomenon. It showcases the incredible resilience and adaptability of these beautiful creatures. Their ability to navigate vast distances and overcome obstacles is truly awe-inspiring. The conservation of their habitats and protection of milkweed plants are essential to ensure the survival of this remarkable species.
一种动物迁徙英语作文 篇二
Migration of Wildebeests in Africa
Introduction:
The migration of wildebeests in Africa is one of the most spectacular wildlife events on the planet. Every year, millions of wildebeests, along with other herbivores such as zebras and gazelles, embark on a treacherous journey across the Serengeti ecosystem in search of fresh grazing lands. This mass movement of animals has been captivating audiences around the world for centuries.
Migration Routes:
The migration of wildebeests follows a circular route that spans approximately 1,800 miles. It begins in the southern Serengeti plains in Tanzania, where the animals give birth to their young. As the dry season progresses and the grazing lands become depleted, the wildebeests start their journey towards the Masai Mara in Kenya, where the grasses are lush and abundant.
During the migration, the wildebeests must overcome several obstacles. They have to navigate treacherous rivers filled with crocodiles and face the constant threat of predators such as lions and hyenas. Despite these challenges, the wildebeests persist in their journey, driven by the instinctual need for food and survival.
The Great Migration:
The Great Migration, as it is commonly known, is a mesmerizing sight to behold. The sheer number of wildebeests, estimated to be around 1.5 million, creates a breathtaking spectacle. The ground trembles as the animals move in unison, creating a cloud of dust that can be seen from miles away.
The migration also attracts other species, making it a diverse and dynamic event. Zebras, gazelles, and various predators follow the wildebeests, taking advantage of the abundance of food and opportunities for hunting. This interdependence between species is a vital aspect of the Serengeti ecosystem.
Reasons for Migration:
The migration of wildebeests is driven by the availability of food and water. The vast grasslands of the Serengeti cannot sustain the massive herds year-round, so the animals must move in search of fresh grazing lands. The seasonal rains play a crucial role in triggering the migration, as they bring new growth and replenish the water sources.
Additionally, the migration provides the wildebeests with a survival advantage. By constantly moving, they can escape predators and reduce the risk of overgrazing in one area. The migration also allows for the dispersal of diseases and parasites, preventing the buildup of harmful organisms in a particular location.
Conclusion:
The migration of wildebeests is a remarkable natural phenomenon that showcases the resilience and adaptability of wildlife. It is a testament to the intricate balance of nature and the interconnectedness of different species. The conservation of the Serengeti ecosystem is crucial to ensure the survival of these magnificent animals and preserve the beauty of this awe-inspiring migration.
一种动物迁徙英语作文 篇三
With the destruction of human beings, the pollution of industrial enterprises and the destruction of the natural environment, many birds have lost their homes, animals have been killed in large Numbers, and the creatures in the water have died in large quantities. Every day the animals live in fear, fearing that bad luck will happen to them. The chairman of the whale, the chairman of the lion, and the chairman of the eagle are very anxious.
Finally one day, the lion and the eagle, whales together, after some plot, a loud roar together, telepathic sound wave respectively convey the information to the ground, the sky and the sea, the animals received signal quickly rushed to the sea side for the meeting.
The animals have been talking about: what are you doing at the meeting today? Yeah, its a mystery.
The lion chairman finally spoke: cough, silence! Then the whole scene became silent. Seriously, chairman of the lion: the call everyone to come because to tell you a good news, that is what we can leave this planet, we are going to go to the place where is full of vitality and beauty of the world, there will be no pollution, no hunting! The animals clap their hands in excitement, some old people are low and thoughtful, some shake their heads and sigh.
Then the elephant secretary said: of course, we need to make a ship to other planet, about five days or so, you better get materials, making craft, after two days we will set start here!
The action must be united and concerted efforts to make the ship good in the shortest time. The eagle said Whale chairman eager say: everyone elected representatives of several smart, as the ship manufacturing work, later I will send you across the sea of a piece of flat land, there are plenty of materials.
To the other side of the sea, the ships chief designer ninja turtle — Michelo made a drawing for each animal, so that everyone could follow the above instructions.
Elephants are responsible for transporting water and building underground ocean rooms and bathing rooms. The mole is responsible for digging up oil and storing energy for the spacecraft. The gorilla is responsible for cutting down trees and decorating ships for the birds to inhabit. The eagle was responsible for taking steel from the steel plant and making the shell of the ship. The teenage mutant ninja was responsible for painting the paint. The monkey is responsible for picking fruit and cooking food. The grizzlies are responsible for pulling weeds and radishes to feed the herbivores, and some small animals bring the food they have stored in their homes, and they are not happy about it Why, there is a spaceship here, it is so beautiful! "Exclaimed one of the felling workers. He just wanted to check it out at , and he was caught by the eagle: the hateful, get out of here! Why should I leave? I just want to go in and have a look, no harm. Hum, the devil believe, it is because of you to cut down, destroy environment, we are forced to leave here, wait and see, have you good-looking! Huh? We look good? Wait another 10,000 years! The woodcutter then ran away.
The eagle called for the lion and the blue whale. What happened? The blue whale asked the hawk. Oh, no, were going to go. There was a lumberjack who discovered our secret. He must be running back to tell someone about it now. "Said the eagle anxiously. The lion went on and said, hurry up and set off immediately! The teacher of the teenage mutant ninja turtle, sprint, came to the three chairmen and said, "wait a minute. Lets take a second look at the ancient earth that the grandparents grew up in." These days old people are all tea and rice, after all to this earth affection is deep! Sprint, youre crazy! Man knows that this thing will stop us.
The whole world knows about it. At this moment, the elephant is leisurely and leisurely in the bath room bubble bath, blue whale say: what is the responsibility, rice bright and cheerful chilos craft is so bad, even airstream dont know to hide. The blue whale looked up and saw that the elephant was pressing it. Damn it! Jump out of me!
The elephant just jumped to the side and heard a scream, you crushed me! Damn it! The elephant is not good to say sorry to the little turtle, Im sorry to say that it jumped down to the next port Look! Very little penguin in the game in the icehouse sledding, ice skating, polar bears are homemade ice lolly, gorillas in the weight room game who is the real hercules, little bear, dog, cat, Mickey Mouse and rabbit playing pyramid them to come at the end of the life is full of endless longing.
On the contrary, the old people are not so happy, they are very reluctant to the former piece of land, they shed tears quietly.
At the same time, humans on earth had the woodcutter take them to where they had seen the ship. But the land was empty and there was nothing. But they never thought that the animals were eating a big meal at the aliens home, because they had to live in peace with aliens Since then, the human race has paid a heavy price: no more birds chirping, no small animals running happily in the forest, no fish to play with. Human beings feel that life is not fun.
一种动物迁徙英语作文 篇四
Animal migration refers to the animal due to the breeding, feeding, climate change, migration and other reasons certain distance. Periodic and aperiodic migration migration.
Part of migratory birds due to seasonal breeding and breeding grounds yearly return spring and autumn winter moved south to do some horizontal cyclical migration route, each bird migration route unchanged general often migrate along the food-rich areas near water; in North America, for example, there are four main migratory bird migratory paths:
(1) the Pacific migration route, the American contine
nt in the West Bank along the Pacific route.
(2) Mississippi route along the Mississippi migration.
(3) central migration route, along the Rocky Mountains and the line.
(4) Atlantic flight route, along the American east coast of the continent bordering the Atlantic Ocean. The terms of East Asia, for example, occurs mainly in the winter migratory birds in autumn and winter, the main path includes: overland route from Siberia, northeastern mainland China, Japan, Korea and other places and then moved to the south coast of the mainland by Taiwan, Indochina or more Borneo in the South, or even Australia and New Zealand region, such as the Shrike. If you pass through the Aleutian sea line Shen Islands, the islands of Japan, Okinawa, Taiwan, the Philippines and then south to the Flying Islands, Borneo, even as far as Australia, button region; the spring, migratory birds will return to northern breeding grounds, so cycle once a year. East Asia summer migratory birds choose the opposite of winter season each year by the South Peninsula of Guangdong, Fujian coast north to Taiwan and other areas of summer, such as azaleas. Other migratory routes as well as East Africa - West routes. Identify the direction of the main bird migration changes according to celestial, rely on the Earth's magnetic field, or along the geographic line memories and the like.
Fish due to seasonal breeding and foraging and other factors make certain direction cyclical migration can be pided into:
① reproductive migration, such as deep sea eels fresh water to spawn in the reproductive stage tour, far land called migration.
② juvenile migratory fish live in the ocean, reproductive swim to freshwater spawning, hatching juveniles following spring with the melting of snow and ice into the ocean swim.
③ foraging migratory fish to migrate into the cluster foraging and plankton prey rich waters.
④ season migratory fish due to sea temperature changes with the seasons and the migration to a suitable temperature waters.
Mammals due to seasonal breeding and feeding and other reasons make periodic migrations, such as caribou winter south to northern coniferous forest, spring returns foods rich northern tundra. In addition to the horizontal direction but also have a migration migrate vertically. Such as mountain cold season, foraging animals often move to the lower. Many deep-sea fish and invertebrates of the year in the deep and shallow water, respectively, to spend part of the time.
一种动物迁徙英语作文 篇五
From July to September each year, several millions of wild animals in EastAfrica will migrate from Tanzania to Kenya, known as a global natural wonder.
On the vast open plains of the Serengeti and deep into the rolling hills of the Masai Mara the largest animal herds on the planet move in a never-ending natural pattern in response to an undeniable imperative - the need to find fresh, nourishing grazing. This exceptional natural phenomenon is renowned as Africa’s greatest wildlife spectacle. The thundering hooves of the herds and the enormous clouds of fine red dust they leave in their wake have become an icon of East African safari.
