What is the specific term used to describe the Redstart's action of spreading its tail or wings while foraging?

Answer

Wing-flashing or tail-fanning

Their unique feeding strategy involves spreading their tail or wings wide, which is often called 'wing-flashing' or 'tail-fanning' as they move through the foliage.

What is the specific term used to describe the Redstart's action of spreading its tail or wings while foraging?
naturebirdwildlifeidentificationwarbler