珍しくも紫外線を感知する能力を持つ鳥。多くの鳥にはない能力でもある。紫外線によって花や他の鳥の細かな部分まで識別できるため、餌を容易に見つけ、つがいを探すのにも役立つという。
The white-winged redstart has a unique ability to detect ultraviolet light, a feature not common in most birds. This UV sensitivity is believed to help them identify subtle markings on flowers or other birds, aiding in foraging and selecting mates based on their plumage quality.