This is a new raven call to me — I think of as a spacey “pinball arcade” sound. (Better descriptions welcome! 😊) I hadn’t heard it before this month, and it seems to be the specialty of this particular raven. On Monday, I posted a video of a raven couple calling together — a duet featuring the metallic “knock” call from one raven, interspersed with a beak snapping sound from the other. The raven in this video is the beak snapping one, filmed just before the “duet.”. He* may have been making thi