In Virginia, black bear mothers encourage their young to move away at one year of age and males even swim across rivers to find a new home.
英
美
- 在维吉尼亚,黑熊母亲会鼓励它们的一岁后的幼崽离开,雄性幼崽甚至需要游过许多河流去寻找自己的新家。