the special heat song

bird sign to baby

 

原來當天氣炎熱時,斑胸草雀會跟未孵化的蛋唱出特別的歌曲!而這些聽著特別歌曲的雛鳥,出生時體型會較細小,成長速度較慢。體型較小讓牠們更容易降溫,在炎熱氣候能提高生存率!

in hot weather, zebra finches moms would sing a special song to their eggs! when these eggs hatched, the babies are smaller in size and grow slower. the smaller body size would make it easier for the babies to cope with heat, providing them an advantage in high temperatures.

http://www.hk01.com/國際/38613/動物會胎教-斑胸草雀炎夏邊唱歌邊孵蛋-可控雛鳥大小

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