Hummingbird Feeders. Hummingbirds get the energy they need to maintain their astonishing metabolism primarily from flower nectar and the sugar water they find at feeders (here's the recipe). Think of them as miniature flycatchers, and sugar is just the fuel for getting their real nourishment.
afÂ·terÂ·imÂ·age. n. A visual image that persists after the visual stimulus causing it has ceased to act. Also called photogene. (ËÉËftÉrËÉªmÉªdÊ).
Definition of visual for Students. 1  1 : obtained by the use of sight a visual impression. 2  2 : of, relating to, or used in seeing the visual organs. 3  3 : appealing to the sense of sight Charts, drawings, and other visual aids can enhance a presentation.