lechwe

Lechwe live for up to 12 years.

母羊的寿命是12年。

Kafue lechwe horns on the dried out plains in Zambia.

贊比亞乾旱平原上的喀拉河驢羊角。

As they report in the Journal of Mammalogy, they found that as the female lechwe got older, the sex and the birth weight of their young steadily shifted.

相关论文发表在哺乳动物杂志上，报道称，随着母羊年龄的增加，子代的出生重和性别比例也在稳定的随之变化。