A playful, birdlike Pkunk
The Pkunk (meaning "peace" in their own language) are wacky, toucan-like beings, an offshoot of the Yehat race. They are pacifistic mystics who claim to be in constant contact with the "spirit-world". They once lived on Yehat homeworld of Gamma Serpentis I, but now reside in the Krueger constallation.
It was when Weeny Wikki Beeki Birdi sat on the Mystical Egg of Icelike Temperature and gave the Original Squawk -- "Rup-Rup-Rup-BGAK!" -- that their transformation from Yehat to Pkunk began.
While they love their distant brethren with all their hearts, the Yehat hate them with gusto. In spite of this, the Pkunk predict a day in which the Yehat will greet them with wings outstretched, beaks stuffed with grubs.
Pkunk frequently talk about spirits, fortune-telling and other new-age kind of stuff which usually amuses Humans. However somehow they are always right about their fortune-tellings which makes it probable that the Pkunk have an highly-advanced "sixth sense".
The Pkunk seem to take this war very casually though, telling the Captain "We bear the spidery creatures no ill will. Without darkness there is no light. Without death there is no birth, and thanks to the Ilwrath there's lots of birth."