What is the primary suspected purpose of the Redstart using its flashy wing and tail movements?
Answer
To startle hidden insects into immediate flight.
This sudden flash of color is thought to startle hidden insects into immediate flight, allowing the redstart to quickly snatch the panicked insect out of the air in a maneuver known as hawking.

Related Questions
What is the predominant color of the breeding male American Redstart's body?What color replaces the brilliant orange-red patches on the female American Redstart?What is the specific term used to describe the Redstart's action of spreading its tail or wings while foraging?What is the primary suspected purpose of the Redstart using its flashy wing and tail movements?In which forest layer is the American Redstart most productively searched for, according to general guidelines?How is the primary song of the American Redstart generally characterized?What is the characteristic sound of the American Redstart's simpler call note?What type of forest structure do American Redstarts prefer during the breeding season?Which larger bird is mentioned as a point of contrast regarding the Redstart's small size?When are Redstarts most likely to utilize their flashy foraging technique most frequently?What field mark is noted as surpassing even the colorful plumage for confirming an identification?