The refrain of a Common Raven drove a man to madness in Edgar Allen Poe’s storied poem. Though the call, "Nevermore," was Poe’s invention, birds' real cries can often be just as chilling. Here we've compiled 10 of the most unsettling nighttime notes, ghoulish groans, and banshee-like wails from across the bird world. And to make it even more of a challenge, two are not North American species. See if you can match the eerie sounds to their sources, and then check the bottom of the page for the right answers. Creepy Call #1 7203 Creepy Call #2 7202 Creepy Call #3 7205 Creepy Call #4 7200 Creepy Call #5 7199 Creepy Call #6 7198 Creepy Call #7 7197 Creepy Call #8 7196 Creepy Call #9 7195 Creepy Call #10 7194 (Scroll down to see if you're right.) * * * * * * * * * Don't be scared: Download our free 吃瓜黑料 bird guide app to discover the calls and behaviors of more than 800 North...