Zebra finch 'heat song' changes hatchling development “珍珠鸟”高温时的鸣叫有助于雏鸟生长 Episode 160819 / 19 Aug 2016 A study has found that zebra finches sing songs to their eggs to prepare them for hot weather ...

本集内容. Research reveals tortoises may have optimistic personalities. 研究发现乌龟可能具有乐观的性格. 文字稿. Moses, Esme and Gerard Butler are all tortois ...