I woke up from a drunken passout one night in college to this part in this Pink Floyd song and it has consistently creeped me the fuck out ever since. I always imagine being stranded on a desert planet in the middle of the night with these animals screeching all around me.
For added effect, turn of all your lights and computer monitor. If you don't get the chills, you aren't human.
YouTube - ‪Pink Floyd - Echoes 2/3 (Full song from Meddle album in high quality)‬‏