There are even screamologists, PhDs who study loud human vocalizations.

甚至还有尖叫学家，即研究人类大声发声的博士。

Young birds learn their vocalizations much like young humans learn languages.

幼鸟学习发声就像年轻人学习语言一样。

They'd finely shape the vocalization into enunciated words using their tongue and lips.

人使用舌头和嘴唇，将声音精细地塑造成清晰的词。

The pointy-headed songbirds are talented mimics, often copying the vocalizations of other bird species.

这些聪明的鸣鸟是天才模仿者，它们经常模仿其它鸟类的叫声。

All in all, Brady and her team spent about seven years recording manatee vocalizations.

总而言之，Brady 和团队用了大概7年时间录制海牛叫声。

Only a few kinds of animals are known to learn their vocalizations from listening to others.

目前已知只有少数几种动物通过听同伴的声音来学习发声。

Researchers collected almost 200 sound samples, including human and canine vocalizations, as well as environmental noises and silence.

研究人员们采集了大约200份声音样本，其中包含了人类和犬类的发音，以及环境噪音和静默时的背景声音。

By restricting their vocalizations to the higher frequencies, including ultrasound, the frogs are better able to hear each other.

通过将它们的叫声限制在更高的频率，包括超声波，青蛙们能更好地听到彼此的叫声。

Keeping these experimental vocalizations to a whisper makes sense if you want to avoid attracting predators to your nest.

如果你想避免把捕食者引到巢穴，让这种实验性发声保持低音量是有意义的。

The tags could track depth and location—and also record vocalizations.

这种标记可以追踪它们所处的位置和深度—当然也可以记录发出的声音。

Many other animals that hunt in groups use vocalizations to keep connected.

其他许多成群捕猎的动物都用回声定位来保持联系。

They use vocalizations for mating and territorial displays and to coordinate group movements.

它们利用发声来进行交配和领地捍卫，还有协调群体行动。

A dedicated brain area reacted strongly to the vocalizations of their own species.

各自物种的脑类中都有一个专门区域对本类别的发声作出强烈的反应。

Their vocalisations are constant, this family party, constantly in touch with one another.

它们的声音持续不断，这是家庭聚会它们不停地相互交流。

Many other types of animals that hunt in groups use vocalizations to keep connected.

许多集体捕猎的其它种类动物都利用回声定位来保持联系。

Similarly, male Savanna sparrows have to make sure their vocalizations are up to date.

简单来说，雄性草原麻雀必须要确保自己的叫声是最新流行的。

So scientists have recorded millions of bat vocalizations like this and they've decoded many of them using AI.

科学家们录制了大量像这样的蝙蝠语音，利用 AI 解读了很多语音。

Both use babbling to master the control of their vocal apparatus, enabling them to produce complex sounds and vocalizations.

人类和蝙蝠都利用咿呀声来控制发声器官，这令二者有能力发出复杂的声音和语音。

They learned that 99% of the vocalizations that they recorded fell into 3 types of sound.

她们了解到，被录下的声音99%都可分为三种。

They even record ultrasonic vocalizations while they're being tickled.

他们甚至会在被挠痒痒时记录超声波发声。