An animated film based on the painting about Max Ernst of the same title, he said that a “fevervision” he had experienced when he was sick with measles as a child inspired him to compose the haunting scene that unfolds in Two Children Are Threatened by a Nightingale. Merging collage and painting, he affixed a wooden gate, parts of a toy house, and a knob to a dreamlike painted landscape. A blue sky dominates the composition, and in it a small nightingale hovers above two young girls. The painting features what would come to be identified as the defining preoccupations of Surrealism, a movement in which Ernst was a central figure: dreams and the unconscious; sexuality (as represented, for example, by the girl’s phallic knife); and incongruous juxtapositions.