Birds' brains are so small compared to primates.
与灵长类动物相比，鸟类的大脑太小了。
Although diet varies from species to species, many primates are largely vegetarian.
虽然不同物种的饮食不同，但许多灵长类动物基本上都是素食者。
Now, it's been assumed that primates and some other mammals stood alone at the top of the hierarchy of cognitive evolution.
现在，人们默认灵长类动物和其他一些哺乳动物独自站在认知进化等级的顶端。
Today, I'd like to look at some communication systems found in mammals, particularly in primates, such as orangutans, chimpanzees, gorillas.
今天，我想看看哺乳动物的一些交流系统，尤其是灵长类动物，比如猩猩，黑猩猩，大猩猩。
Most of these things are learned in the long developmental periods that primates have, during which they engage in countless play experiences with their peers.
大多数这些东西都是在灵长类动物漫长的发育过程中习得的，在这一过程中，它们会与同伴进行无数次的游戏体验。
Nonhuman primates smile as well.
灵长类动物也可以微笑。
They are also humans' closest relative among primates.
它们也是灵长类动物中与人类最为接近的亲戚。
Cetaceans even surpass most primates in their use of sound.
鲸目动物的声音运用能力甚至超过大多数灵长类动物。
The first primates probably appeared about 70m years ago.
第一只灵长动物出现在大约七千万年前。
MY fellow primates, 200 years ago today, Charles Darwin was born.
灵长类同胞们，200年前的今天（1809年2月12日——译者注），查尔斯•达尔文诞生。
Humans are said by some to be pedomorphic compared with other primates.
有人认为，与其他灵长类动物相比，人类就更加幼形化（pedomorphic，传统理论认为越幼形化的物种在进化上越先进）。
All 200 or so species of primates have dark eyes and a barely visible sclera.
所有200种左右的灵长类动物都有黑色的眼睛和几乎不可见的巩膜。
The primates eat fruit, leaves, and insects and rarely descend to the ground.
这些灵长类动物的食物包括水果、树叶和昆虫，它们很少会到地面上来。
FLATOW: They're not primates, not like apes and us, who can use little sticks.
傅拉托：它们不是灵长类，跟猿猴和我们不一样，我们可以使用小棍子。
All primates have fingerprints, as do some tree-dwelling mammals, such as koalas.
所有灵长类动物都有指纹，一些栖息在树上的哺乳动物如考拉也不例外。
But humans, primates in general but particularly humans, are masters of deception.
总的来说灵长类动物，特别是人类，都是欺骗大师。
There is evidence that some animals, including non-primates, may act as reservoirs.
有证据表明，包括非灵长类的一些动物可能是病毒宿主。
Britain, for example, USES far fewer primates in scientific research than does France.
比如，相比法国，英国在研究中用到的灵长类动物就比较少。
How would studies of other primates be useful in the understanding of this topic?
其他灵长类的研究如何在理解这个主题的过程中派上用场？
But somewhere along the line, primates discovered how to stand up and walk on two legs.
但在进化线上的某处，灵长类动物发现如何用两条腿站起来走路。
But despite all our advances, it turns out we age and die at the same rate as other primates.
然而，尽管我们取得了各种各样的进步，我们还是在以和其他灵长类动物一样的速度衰老、死亡。
It is also a commendably broad study-covering a diversity of species from parrots to primates.
这也是一项涉及范围广泛、值得赞扬的研究——涵盖了从鹦鹉到灵长类不同物种。
To do that, we need to look more broadly at primates and include lemurs in cognition research.
要做到这一点，我们需要对包括狐猴在内的灵长目作更宽泛的认知研究。
To do that, we need to look more broadly at primates and include lemurs in cognition research.
要做到这一点，我们需要对包括狐猴在内的灵长目作更宽泛的认知研究。
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