It's the debate that has long divided animal lovers. Now scientists have confirmed that cats really are better than dogs – at least from an evolutionary perspective.

一直以来，“猫和狗哪个更好这一问题将动物爱好者划分为两大阵营。现在科学家已经证实猫确实比狗更好——至少从进化的角度来看是这样。

A groundbreaking study of 2,000 ancient fossils reveals that felids – the cat family – have historically been much better at surviving than the "canid" dog clan, and often at the latter’s expense.

一项对2000个古代化石进行的开拓性研究揭示了从历史上看，猫科动物家族的生存能力远远强于犬科动物家族，而且猫科动物的生存是以犬科动物的损耗为代价的。

The research finds that cats have played a significant role in making 40 dog species extinct, outcompeting them for scarce food supplies because they are generally more effective hunters. But researchers found no evidence that dogs have wiped out a single cat species.

这项研究发现，猫科动物在40个犬科物种的灭绝过程中发挥了重要作用。由于猫科动物通常是更有效率的捕猎者，在夺取供应不足的食物的竞争中猫科动物胜过了犬科动物。但是研究人员没有发现任何犬类动物消灭掉一个猫科物种的证据。

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