é³¥é¡ã¯ããã¨åããäºè¶³æ©è¡ã®çç©ã§ãããé³¥é¡ã«ã¯äººéã¨ç°ãªããå®å®ãã姿å¢ã§ç«ã£ãã¾ã¾ç ããã¨ããè½åãåãã£ã¦ãã¾ãããã©ã³ã¹å½ç«ç§å¦ç 究ã»ã³ã¿ã¼ã®ç 究ãã¼ã ãé³¥é¡ã®èº«ä½æ§é ãåæããçµæãé³¥é¡ã®ä½ã¯ããã³ã»ã°ãªãã£æ§é ããå½¢æãã¦ãããã¨ãã«ã®ã¼ã使ããã¨ãªãå®å®ãã姿å¢ãä¿ã¦ããã¨ãæããã«ãªãã¾ããã An upright life, the postural stability of birds: a tensegrity system | Journal of The Royal Society Interface https://royalsocietypublishing.org/doi/full/10.1098/rsif.2023.0433 Why birds do not fall while sleeping | CNRS News https://news.cnrs
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