Citrine Wagtail

The citrine wagtail is a slender 15.5–17cm songbird with the long, constantly moving tail typical of its genus. A breeding male has a vivid yellow head and underparts, contrasting with a black or grey back and nape and white in the flight feathers. In winter the yellow below becomes paler and the head is browner with a yellowish eyebrow. Females generally resemble a washed-out version of the male's winter plumage. (Wikipedia, citrine wagtail account)

This wagtail breeds across the central Palearctic in wet meadows and tundra, then migrates chiefly to South Asia, often using highland areas in winter. It is an insect-eating bird of open country near water, including bogs and damp grassland, where it walks and runs while picking prey from the ground and low vegetation. The nest is placed on the ground, and the female lays four or five speckled eggs. (Wikipedia, citrine wagtail account)