A slender waterside bird with a yellow belly and a long tail.
The head and back are bluish grey and the belly is yellow. Males have a black throat in breeding plumage.
It moves over damp ground while bobbing its tail and catching insects. Some move from uplands to warmer lowlands for winter.
An extinction-risk assessment has not been added yet.
A survey at Tuensang market in Nagaland, northeastern India, recorded 40 Grey Wagtails between May 2009 and April 2010.