读报
登录注册网站首页
 

The Week

Dogs show size with growl

作者:21ST
Aa
  • -   
  •    +
狗能辨认出不同大小的同类的叫声。

A DOG can tell how big another dog is just by listening to its growl (咆哮), a new study has found.

点击阅读全文
联系我们  |  诚聘英才  |  关于我们  |  版权声明
© i21st.cn   京ICP备2024066071号-1
 
选择报纸
选择报纸
关闭