And what I was interested in testing these out with was to record howler monkeys, which change their territory every morning.

我感兴趣的是用来测试这些东西的是记录吼猴，它们每天早上都会改变它们的领地。

From 2010 to 2017, conservationists in Brazil re-introduced the red-rumped agouti and the brown howler monkey to the Tijuca National Park.

从 2010 年到 2017 年，巴西的环保主义者刺豚鼠和棕吼猴重新引蒂茹卡国家公园。

To study the animals' roars, the team measured the volume of a howler bone in their throats which act like a resonator, the larger that bone, the deeper that voice.

为了研究吼猴的吼声，研究小组对吼猴的喉咙骨音频进行了测量，这种仪器也可以充当共振器，喉咙骨越大，吼声越大。

You'll probably encounter more howler monkeys than tourists amid the intricately carved stelae and temples where the " Jaguar" clan thrived from 500 to 700 A.D.

在精雕细刻的石碑和庙宇中，你可能会遇到比游客更多的吼猴，公元 500 到 700 年间，“美洲虎”部族曾在此繁衍生息。

But when she was hired to help build a zoo, she met the animal that would change her life and theirs, the cotton-top tamarin, a little monkey with a look right out of Dr. Seus.

但当她被聘请帮助建造动物园时，她遇到了改变她和它们生活的动物，棉头吼猴，一种看起来像苏斯博士的小猴子。