Tegins
Tegins are a fictional species featured in the science fiction novel "Project Hail Mary" by Andy Weir. They are an alien race encountered by the protagonist, Ryland Grace, on his mission to save Earth. Tegins are described as being highly intelligent, technologically advanced, and possessing a unique physiology. They have a bipedal form with a hard, chitinous exoskeleton and multiple limbs. Their primary method of communication is through a series of clicks and vibrations, though they are also capable of learning and using spoken language.
The Tegins are known for their deeply communal society and their strong emphasis on logic and reason.