Lechwe live for up to 12 years.

母羚羊寿命是12年。

Kafue lechwe horns on the dried out plains in Zambia.

贊比亞乾旱平原輔拉河驢羚羊角。

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.

相关论文表在哺乳动物杂志，报道，母羚羊年龄增加，子代出生重和性别比例也在稳定之变化。