Motacilla

Trivial name	Latin name
Blue-headed Wagtail	Motacilla flava
White Wagtail	Motacilla alba
Grey Wagtail	Motacilla cinerea
Citrine Wagtail	Motacilla citreola
Japanese Wagtail	Motacilla grandis

comparison of wing and tail configuration¹

¹ According to Hartmann (2000a, 2000b and 2016)