White Wagtail
Motacilla alba alba

White wagtails are the race that occurs on the continent in place of the Pied Wagtail (ssp. yarrellii). They have a light grey back and are much paler underneath. As with the Pied Wagtail, they can be found near water or in paved areas.
 

1-2: La Sauge Birdlife Centre, 13/05/2007.
3: La Sauge Birdlife Centre, 28/04/2007.