New on Kindle: our Field Guide to Identifying Unicorns by Sound
Also of note: in Robert Altman's Images
, a children's book within the film likens the voice of a unicorn to the song of a butterfly: "Straight past his nose zoomed seven enormous butterflies, with eyes like stars and bright blue wings, and each one was humming. And then Hero started to tremble, for it seemed to be him who was humming—not with his usual tuneless hum but a butterfly's humming, just as if one had flown down his throat."
Robert Altman's Images
concerns a story about unicorns.