Sentence: Among the most intelligent animals known to us is the bottle-nosed...

[Rd]

What is wrong with this sentence?

Among the most intelligent animals known to us is the bottle-nosed dolphin, mammals that exhibit a remarkable ability to communicate.

The error is in the phrase "mammals that exhibit" .
But I don't see what should be changed. :cry: :?

[Torsten]

How about this:
Among the most intelligent animals known to us is the bottle-nosed dolphin, a mammal that exhibits a remarkable ability to communicate.

TOEFL listening discussions: Why is the young woman unfamiliar with Q22?