The Pkoel are a pre-warp civilization that are making progress. Physically, they have big black eyes, their mouth is 2 big fleshy lips that are vertical. They don't seem to have a noce the research show tat they breath through the mouth. From an officer, he said that they have the resemblance of sea elephant. Female have usually a lighter shade of skin then the make and smaller. The society is peaceful among each other, with one government, one religion.
The Prime directive applies and a study is being done on them since their progress with warp technology.