作者: Klein Arnold Gregory
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摘要: A nectar type bird feeder having an incorporated short-wavelength, ultraviolet light source adapted to illuminate the contents and internal surfaces. The exposure functioning significantly retard growth of spoiling micro-organisms thereby extend freshness or service life. may be built directly into configured as add-on accessory. preferred embodiment feeder, device will solar powered made cycle on/off automatically. As hummingbirds are see UV-A (300 nm-400 nm) cycled during day make visually conspicuous more attractive feeding birds.