Yeah, I think the harpies might be are a new type of standard Hengetis since I encountered one during a patrol (damn, new patrol difficulty does not pull punches. I like it. We might need to start fielding a bit of a team). Not that I wouldn't mind clapping that cloaca at some point ;)
Also, feel a bit bad for saying this so soon after the first update but.... Man, I cannot wait for the next update.