smilodon

smilodon

1. Other fossils of co-existed mammal are giant panda, Stegodon, Smilodon, hyena, cheetah, boar, horse, buffalo and various deer.

共存的哺乳动物化石有大熊猫、剑齿象、剑齿虎、鬣狗、猎豹、野猪、马、野牛和多种鹿类。

2. When they compared data, scientists were excited to find that the proportion of social predators attracted to the playbacks in Africa matched the proportion of Smilodon fossils found at the tar pits.

当研究人员把记录后的数据进行对比之后，他们很激动，因为数据表明吸引过来的群居食肉类动物比例，和发现在沥青坑里的的剑齿虎化石比例相匹配。

3. So, scientists conducted a unique experiment, comparing the abundance of Smilodon fossils at the tar pits with the number of modern predators responding to playbacks in Africa.

所以，科学家们做了一个独一无二的实验。

4. The saber toothed cat, Smilodon fatalis, existed in North and South America until 10,000 years ago.

有好像剑一样长牙齿的猫科动物，也就是我们所说的剑齿虎。大约在1万年之前剑齿虎生长于美国南部和北部地区。

5. This evidence suggested Smilodon lived in groups.

这个证据正好表明剑齿虎是群居动物。