Pratique du Shadowing: READING EXPLORER 2 Unit 2B The 1,000 - year bird song - Apprendre l'anglais à l'oral avec la vidéo

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Unit 2.
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B. The 1 ,000 -year birdsong A.
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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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Be like humans, baby swamp sparrows learn to communicate by copying adults.
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From a young age, they learned 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 Lachlan.
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In fact, their mimicry is so accurate that the music changes little between generations.
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See, just like children, The sparrows don't remember every song they hear, Lachlan says, 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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D. Between 2008 and 2009, Lachlan's research team recorded the calls of 615 male swamp sparrows across the northeastern United States.
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The researchers used computer software to break each song into a collection of notes or syllables
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They then measured the differences between the tunes,
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e The research revealed that only 2 % of male sparrows 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 1000 years ago.
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F. Lachlan'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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G 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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Vocabulaire et conseils d’expression pour cette leçon

Cette leçon d’expression orale de niveau B2 s’appuie sur la vidéo « READING EXPLORER 2 Unit 2B The 1,000 - year bird song ». Les mots qui reviennent le plus souvent : song, sparrows, swamp, traditions, scientist. Cette vidéo contient 29 phrases et 402 mots à répéter en shadowing. La partie parlée dure 2:56. Le locuteur parle à un rythme régulier d’environ 137 mots par minute, confortable pour le shadowing. Seuls 79 % des mots font partie des 3 000 mots les plus courants en anglais, le vocabulaire est donc exigeant.

Vocabulaire clé de cette vidéo

Les 15 mots les plus avancés de la vidéo, avec leur prononciation et leur sens :

MotPrononciationSens
sparrow nom/ˈspæɹoʊ/moineau
swamp nom/ˈswɑmp/marécage, marais
conformist adjectif/kənˈfɔɹ.mɪst/conformiste
mimicry nom/ˈmɪm.ɪ.kɹi/mimétisme, mimique
songbird nom/ˈsɔŋˌbɝd/oiseau chanteur
barrier nom/ˈbæɹi.ə/barrière
bias nom/ˈbaɪ.əs/préjugé, parti-pris
biologist nom/baɪˈɒləd͡ʒɪst/biologiste, biologue
birdsong nomchant, chant d’oiseau
excite verbe/ɪkˈsaɪt/exciter
syllable nom/ˈsɪl.ə.bəl/syllabe
wetland nomzone humide
longevity nom/lɒnˈd͡ʒɛv.ɪ.ti/longévité
organism nom/ˈɔɹ.ɡəˌnɪz.əm/organisme
isolate verbe/ˈaɪ.sə.leɪt/isoler, esseuler

Les verbes à particule que vous entendrez

MotSens
break up verberompre, couper
pick up verbesoulever

La grammaire de cette vidéo

Les structures que le locuteur utilise le plus, avec les mots exacts de la vidéo :

StructureDans la vidéo
Present perfect have/has + participe passé — une action passée qui compte encore maintenanthasn't changed · have been
Voix passive be + participe passé — l’accent est mis sur ce qui arrive, pas sur qui le faitcan be heard · was thought

Prononciation à surveiller

Le locuteur utilise 3 contractions et formes réduites, comme don't, hasn't. Prononcez-les sous leur forme courte, telles que vous les entendez.

  • Les sons « sh » et « zh »: plantation /plænˈteɪʃən/, marsh /mɑɹʃ/
  • Mots longs — placez bien l’accent: biologist /baɪˈɒləd͡ʒɪst/, longevity /lɒnˈd͡ʒɛv.ɪ.ti/, organism /ˈɔɹ.ɡəˌnɪz.əm/, ingredient /ɪnˈɡɹiːdi.ənt/

Les sons difficiles pour les francophones :

  • /tʃ/ et /dʒ/ — à ne pas adoucir en « ch » et « j »: biologist /baɪˈɒləd͡ʒɪst/, longevity /lɒnˈd͡ʒɛv.ɪ.ti/, researcher /ˈɹiˌsɝ.t͡ʃɚ/
  • /r/ anglais — langue recourbée, sans frotter la gorge: sparrow /ˈspæɹoʊ/, conformist /kənˈfɔɹ.mɪst/, mimicry /ˈmɪm.ɪ.kɹi/, barrier /ˈbæɹi.ə/, organism /ˈɔɹ.ɡəˌnɪz.əm/

Comment s’entraîner avec cette vidéo

  1. Écoutez la vidéo en entier une fois sans parler et notez les mots que vous ne connaissez pas.
  2. Répétez phrase par phrase à vitesse normale, en reprenant chacune jusqu’à ce que votre rythme corresponde à celui du locuteur.
  3. Enregistrez-vous et comparez avec l’original, en faisant attention à des mots comme sparrow, swamp, conformist.

Qu'est-ce que la technique du Shadowing ?

Le Shadowing est une technique d'apprentissage des langues fondée sur la science, développée à l'origine pour la formation des interprètes professionnels. Le principe est simple mais puissant : vous écoutez de l'anglais natif et le répétez immédiatement à voix haute — comme une ombre suivant le locuteur avec un décalage de 1 à 2 secondes. Les recherches montrent une amélioration significative de la précision de la prononciation, de l'intonation, du rythme, des liaisons, de la compréhension orale et de la fluidité.

Technique du shadowing : lire le guide complet étape par étape →