Why Do Caribou Females Grow Antlers? So They Can Have a Timely Motherhood Snack
在矿物质匮乏的北极荒野中，妈妈们咀嚼鹿角为小牛提供燃料。
Caribou Are the Only Deer Species in Which Females Grow Antlers. Scientists Just Figured Out Why
新研究表明，雌性驯鹿鹿角可以作为产后零食，新妈妈们在产后咀嚼它们，可以补充急需的蛋白质、钙和磷
