The environmentalists were especially fearful for a group of monkeys that had become isolated, or separated, from other tamarins.

环保人士尤其担心一群金狮狨猴，这群金狮狨猴已经远离其他金狮狨猴或者说是和其他金狮狨猴分开了。

We could fit the smallest monkey, the pygmy marmoset, on here.

以把最猴子，侏儒狨猴，放在这里。

And it seems something has caught the eye of one of the marmosets, prompting a loud warning call.

似乎有什么东西引起了其中一只狨猴注意，它出了一声响亮警报。

The plant-life is still young and will take time to grow to a size usable for the monkeys.

上面植物都还没长成，需要一定时间才能长到让金狮狨猴使用。

Luis Paulo Marques Ferraz is executive director of the project that works to protect the numbers of golden lion tamarins.

路易斯·保罗·马克斯·费拉兹是保护金狮狨猴数量这个计划执行董事。

And they followed cells deep in the brain of a marmoset over the course of a year.

在一年时间里，他跟踪了狨猴脑深处细胞。

That makes them among a few mammals— like marmosets— whose offspring utter sounds similar to babbling in babies.

这使它成为少数哺乳动物（如狨猴）中一种，它后代出声音类似于婴儿牙牙学语。

The Atlantic Forest of Rio de Janeiro state is the only place in the world where the golden lion tamarin still exists in the wild.

里约热内卢州西洋森林是世界上唯一一个野生金狮狨猴仍存活于世地方。

From the world's smallest monkey, the pygmy marmoset weighing as little as 4 ounces to the world's largest monkey, the mandrill weighing as much as 77 pounds.

从世界上最猴子，只有4盎司重侏儒狨猴到世界上最猴子，重达77磅狒狒。

Other primates, like macaques and marmosets, demonstrate similar patterns, so it's likely that gloss perception is something that developed a long time ago in our shared evolutionary history.

其他灵长类动物，比如猕猴和狨猴，也有类似模式，所以光泽感知很能是在共同进化史上很久以前就展出来。