Shadowing-Übung: RE2 Unit 2B - Englisch Sprechen Lernen mit Video
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Track 4.
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Reading 2B.
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The 1,000-year bird song.
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Every summer, the calls of thousands of swamp sparrows can be heard across North America's wetlands.
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These little brown birds know only a few songs, but they know them very well.
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In fact, their musical set list probably hasn't changed much for centuries.
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Like humans, baby swamp sparrows learn to communicate by copying adults.
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From a young age, they learn to copy or mimic songs sung by their elders.
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Swamp sparrows very rarely make mistakes when they learn their songs, says biologist Robert Lackland.
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In fact, their mimicry is so accurate that the music changes little between generations.
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Just like children, the sparrows don't remember every song they hear, Lackland says.
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They don't just learn songs at random.
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They pick up commoner songs rather than rarer songs.
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In other words, they learn songs they hear most often.
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It's an example of a strategy that scientists call conformist bias.
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Until recently, this learning ability was thought to be special only to humans.
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Between 2008 and 2009,
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Lackland's research team recorded the calls of 615 male swamp sparrows
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across the northeastern United States the researchers used computer software to break each song into a collection of notes
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or syllables they then measured the differences between the tunes the research revealed that only two percent of male sparrows
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sung a different song from the standard tune.
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The combination of accurate mimicry and conformist bias allows the birds to create traditions that last for centuries.
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With those two ingredients together, you end up with traditions that are really stable, says Lachlan.
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The song types that you hear in the marshes of North America today may well have been there 1,000 years ago.
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Lackland's study is among the first to measure the longevity of song traditions within a bird species.
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Another aspect scientists are now exploring is the impact of habitat loss on songbirds.
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Man-made barriers, such as cities, roads, and plantations, can break up a bird population into a number of isolated groups.
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These barriers may prevent cultural interaction between songbird populations, such as the exchange of song types.
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The findings are really exciting, says scientist Andrew Farnsworth.
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He hopes that future research will evolve from these studies.
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For example, scientists may be able to identify how other animals are able to preserve their cultural traditions.
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seeing the potential for it in other organisms is super cool, says Farnsworth.
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Über diese Lektion
Was ist die Shadowing-Technik?
Shadowing ist eine wissenschaftlich fundierte Sprachlerntechnik, die ursprünglich für die professionelle Dolmetscherausbildung entwickelt und durch den Polyglotten Dr. Alexander Arguelles populär gemacht wurde. Die Methode ist einfach aber wirkungsvoll: Du hörst englisches Audio von Muttersprachlern und wiederholst es sofort laut — wie ein Schatten, der dem Sprecher mit nur 1–2 Sekunden Verzögerung folgt. Anders als passives Hören oder Grammatikübungen zwingt Shadowing dein Gehirn und deine Mundmuskulatur, gleichzeitig echte Sprachmuster zu verarbeiten und zu reproduzieren. Studien zeigen, dass es Aussprachegenauigkeit, Intonation, Rhythmus, verbundene Sprache, Hörverständnis und Sprechflüssigkeit signifikant verbessert — was es zu einer der effektivsten Methoden für die IELTS Speaking-Vorbereitung und reale englische Kommunikation macht.