翻訳と辞書
Words near each other
・ Parent-Craft
・ Parent-in-law
・ Parent-Teacher Association
・ Parent-teacher conference
・ Parent-teacher interview
・ Parentado
・ Parental abuse
・ Parental abuse by children
・ Parental Advisory
・ Parental Advisory (disambiguation)
・ Parental Advisory (Jay Rock song)
・ Parental alienation
・ Parental Alienation Awareness Day
・ Parental alienation syndrome
・ Parental brain
Parental care in birds
・ Parental child abduction
・ Parental consent
・ Parental Control
・ Parental controls
・ Parental Guidance
・ Parental Guidance (film)
・ Parental Guidance (song)
・ Parental Guidance (TV series)
・ Parental investment
・ Parental Kidnapping Prevention Act
・ Parental leave
・ Parental Leave Directive
・ Parental obesity
・ Parental portrayals in the media


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Parental care in birds : ウィキペディア英語版
Parental care in birds

Parental care refers to the level of investment provided by the mother and the father to insure development and survival of their offspring. In most birds, parents invest profoundly in their offspring as a mutual effort, making a majority of them socially monogamous for the duration of the breeding season. This happens regardless of whether there is a paternal uncertainty.
==Origin==
Birds originally branched from theropod dinosaurs and underwent body miniaturization over a 50 million year period. Changes in anatomy are rearrangement of body mass, adults retain juvenile traits including large brain mass and eyes despite a smaller snout (paedomorphism), and aerial abilities. (Michael S. Y. Lee, Andrea Cau, Darren Naish, and Gareth J. Dyke)〔Sustained miniaturization and anatomical innovation in the dinosaurian ancestors of birds

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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