- Female ermine up to 60–70 days old may be successfully mated by adult males — a unique case among mammals.
- Newborn ermines are born blind, toothless, with closed ear canals, covered in sparse white fur.
- Female ermines reach sexual maturity at 2–3 months of age, whereas males mature much later—at 11–14 months.
年龄白鼬
在这里，我们介绍 白鼬 能活多久，以及预期寿命如何随年龄变化。
白鼬：它是怎样的