笑うの雛は,親の声を認識する

C G Beer

Science (New York, N.Y.)

|November 21, 1969

まとめ

若い笑うガウンの雛は,両親を区別することができます.

科学分野:

動物の行動動物の行動
バイオアコースティクスバイオアコースティクス
親の介護を受ける.

背景:

親子間の認識は,多くの種の生存に不可欠である.
ボカライゼーションは,親と子供のコミュニケーションにおいて重要な役割を果たします.
他の特殊な鳥の聴覚認識の発達を理解することは,保全活動にとって重要です.

研究の目的:

笑う海の雛が,親の鳴き声と,知らない大人の鳴き声とを区別する能力を調査する.
この認識能力が笑う海の雛に発達する年齢を決定するために.
大人の呼び出しに馴染みのあるか,馴染みのないか,鶏の行動反応を分析する.

主な方法:

6日から13日の雛は,両親の通話の再生録音と,知らない大人の通話に曝された.
オリエンテーション,アプローチ,移動,発声などの行動反応が記録され,分析されました.
統計分析は,馴染みのある電話と馴染みのない電話に対する応答を比較するために使用されました.

主要な成果:

雛は,親の電話に対して,知らない大人の電話に対して,異なる行動反応を示した.
親からの呼び出しに対する反応には,音への向き合い方,アプローチ,運動の強化,発声などが含まれていた.
馴染みのない大人の電話への反応には,音から離れて方向づけること,撤退すること,ひっくり返ったり座ったりすることが含まれていました.

結論:

笑うの雛は,6日目から,両親の鳴き声と他の成人の鳴き声を区別することができる.
この能力は,コール内の個々の特徴に基づいています.
発見は,鳥の複雑な聴覚認識の初期の発展を強調し,これは社会的絆と生存に不可欠です.

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