哥伦比亚猛犸与今天的大象有着亲缘关系。他们在一万年以前的大冰河时代结束之时就已灭绝。美国近日发现猛犸象化石。La Brea Tar Pits，Harris,dire wolve,saber-tooth cat,ground sloth
The La Brea Tar Pits are asphalt deposits that contain the preserved remains of ancient animal and plant life, and they have shed light on life in the Ice Age since excavations started in 1913. This is the biggest find since then. The newly discovered fossils are collectively called Project 23, afte…
拉布瑞亚焦油坑是一片沥青焦油地，其中含有被保存下来的古代动植物遗骸。自从1913年对这片焦油地挖 掘以来，古代动植物遗骸的发现使冰河世纪时期的生命形态逐渐清晰起来。最新挖掘的化石在挖掘者把古化石、泥土和焦油装入23个大集装箱之后，被集体命名为 “23项目”，以备日后的分析之需。科学家们至今已识别出了700多个样本…