Human infants do the same thing. Such efforts are called " referential communication."

人类婴儿也会做同样的事情。这种努力“参照性交”。

That, it turns out, is a sophisticated cognitive phenomenon called referential communication.

事实证明，那是一种复杂的认知现象，指交。

Red-winged blackbirds, which sometimes nest near warblers, do not produce referential alarm calls.

红翅黑鹂有时在黄莺附近筑，它们没有发出指未警报叫声。

This is a relationship with language called referential understanding that has been unproven in dogs.

这种与语言的关系“指代理解”，在狗身上尚未得到证实。

While the pigs revealed that they were capable of referential communication, they didn't actually turn to people for help.

虽然猪显示出它们能够进行参照性交，但实际上它们并未向人们寻求帮助。

And those tasks seem to be self referential.

这些任务似乎是自我参照的。

The study supports ideas about " language evolution which actually say that referential understanding is not necessarily unique to humans, " added Magyari.

这项研究支持了“语言进化论”的观点，即“实际上，指代理解并不一定是人类独有的”，马格亚里补充说。

Such efforts are called " referential communication." So if dogs behave this way, you might expect the same from their close relatives: wolves.

这种努力“参考交” 。 因此，如果狗有这种行，你可能会期望它们的近亲：狼也有同样的行。

This makes the bat babies babble back, and it might help them learn specific words or referential sounds the same way that motherese helps human babies acquire language.

这让蝙蝠宝宝咿咿呀呀地回话，帮助它们习特定单词或指代声音，就像妈妈语帮助人类婴儿会语言一样。

Lilla Magyari, also a co-lead writer of the study, said that while other animals have been shown to have some degree of referential understanding of language, those animals have usually been highly trained to do so.

这项研究的共同第一作者利拉·马格亚里（Lilla Magyari）说，虽然已经证明其他动物对语言有一定程度的指代理解能力，但这些动物通常都是经过严格训练才做到的。