The White-winged Swallow has a glossy blue-green back, white underside, and conspicuous white wing patch. It pursues prey low over water or land.
Its head and back are glossy blue-green, its underside is white, and its wings have a white patch. The patch is less distinct with feather wear and smaller in females and young birds.
It pursues flying insects low over water or land and may perch on poles or low branches beside water.
An extinction-risk assessment has not been added yet.