Why did three billion birds leave the United States and Canada?

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Why did three billion birds leave the United States and Canada?
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Why did three billion birds leave the United States and Canada?


Two major investigations in the world of science have confirmed that bird populations in Asia and the United States are in crisis.

Why did three billion birds leave the United States and Canada?. According to the first study, the United States and Canada now have three billion birds less than in 1970. This means that 29 percent of North American birds have been reduced.

Other research says that certain ‘singing birds’ of Asia suffer from the crisis. According to research, the main reason for this is that the majority of the birds are kept in cages on Indonesia’s ‘Java’ island, rather than free roaming. Scientists hope their research will alert people to the dangers. These investigations are published in the journal Science and Biology Conservation.


How did three billion birds disappear?

Research in North America revealed that birds of all kinds are infected, whether they live in the desert, on the beach or in lush plains. The research did not directly pinpoint its causes, but scientists concluded that one of the major reasons for the disappearance of birds was that their homes were being affected by human activity.

Dr. Ken Rosenberg, leader of the research, works for bird survival in the United States. He says his research looked at bird population data for the first time. Speaking to BBC News, he said: “We knew that some species of birds were declining, but we thought that the disappearance of rare birds would replace the common birds in populated areas because They are better suited to live here. ‘

Experts in the research have extracted this data with the help of all bird monitoring projects over the past 50 years. He also used every survey of birds dating from the 1970s. Dr. Rosenberg says: ‘We have seen that the number of birds has decreased. We were quite surprised that the most commonly affected birds are the birds we see around us every day. ‘ According to him, the same thing is happening in other parts of the world. Other research has reported that in Asia it is a wonderful human-caused crisis.


Singing birds

Indonesia has a big business of buying and selling singing birds in other parts of Asia, including the island of Java. These birds are captured by the forests. A BBC report in 2017 described how several species of birds singing from this illegal business are suffering from nausea. In Java, 750 million birds are kept as pets. Many of these songs are held for the contests of the birds, called stories mania. These ceremonies are judged on the lyrics, duration and sound of the birds in the cages. In the big competition, the best birds are rewarded up to £ 40,000, but in doing so, humans are fulfilling their needs by removing the birds from the forest. Researchers say this poses a threat to many of their breeds.

Harry Marshall, head of research, says: ‘It’s almost a million dollars worth of business in Indonesia’s economy, so it’s no surprise that the demand and supply of birds singing at the regional level is important. There are hundreds of markets on the islands where more than 200 different bird species are available. ‘

Dr. Marshall is pursuing a PhD at Manchester Metropolitan University and Chester Zoo. In their survey, they visited 3,000 Java homes in Indonesia’s densely populated island. From here, his team estimates that 750 million birds have been imprisoned in Java homes. There are more birds singing in these houses than in the forests.

What is the solution?

Both investigations point to improvements that can be expected despite the loss. Stuart Marsden, a professor at Manchester Metropolitan University, works on the songbird business in Asian countries. According to him, the national obsession of bird captivity in Indonesia was born because they love this animal. “I think this obsession can be used for their survival.”

Dr. Rosenberg points to the success of the bird conservation movement, saying he is still optimistic after the decline in bird populations in North America. “Duck hunters in the United States and Canada also decided to do something because of the declining numbers of chickens. Millions of dollars have been spent to conserve and restore the lives of ducks in order to increase the population of ducks. ”

‘That’s one way. If we can do it for birds that are not hunted and people still like them. We know the birds can come back. ‘

(Courtesy of National Geographic)

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