I'd been hoping for a
White Wagtail (amongst other birds!) to drop in and lady luck delivered one mid afternoon! Never came close but always a pleasure to see!
Given the diffuse transition of black to grey on the head, looks to be a female! Always seem to have had males in the past.
Catching flies briefly and flashing a grey (rather than black in 'yarellii') rump...
One last look and then it flew out!