A Delta Quadrant species who communicate largely through hand gestures and body language, making diplomacy with them delicate.
The Tak Tak are a Delta Quadrant species who rely heavily on hand gestures and body language to communicate alongside speech. The meaning of a gesture matters a great deal to them, and a careless movement can be taken as a serious insult.
In Macrocosm, Kathryn Janeway and Neelix returned from a trade mission involving the Tak Tak to find Voyager overrun by a dangerous macrovirus. The Tak Tak regarded the infected ship as a threat, and Janeway had to deal with them while she fought her way through the ship to stop the infection.