【云南景东：长臂猿妈妈“拖儿带女”林间觅食】近日，巡护自然保护区的森林民警发现一只西黑冠长臂猿妈妈。她带着孩子们在云南景东无量山的浓林密叶中觅食。西黑冠长臂猿两性毛色差异极大，雌性为黄色，雄性为黑色。幼崽在1岁前为黄色，随着年龄增大慢慢变为黑色，而雌性幼崽性成熟后毛色逐渐变黄。西黑冠长臂猿数量稀少，被世界自然保护联盟评估为极度濒危物种。A black crested gibbon forages with her young in the forests of Jingdong Yi Autonomous County, Yunnan Province. These gibbon infants are born a buffy yellow color. Males turn black as they age, while females revert to yellow upon reaching sexual maturity. http://t.cn/A689jYfi