Small blue-grey and yellow bird with a wagging long tail
The Grey Wagtail has the longest tail of the wagtails and like the others its tail is wagged continually. The long tail improves its agility while flying in pursuit of insects.
The blue-grey upperparts contrast with black wings, bright yellow breast and belly and yellow-green rump. The adults have a prominent white supercilium (eyebrow), moustache and outer tail feathers. The legs are pink-brown and the bill is grey-black.
In the winter, the male's yellow breast becomes paler and the black throat less distinct. This winter plumage is very similar to the female's appearance all year round.