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Motacilla tschutschensis
Also known as: Green-headed Wagtail
Diet
Insects and other small invertebrates
Habitat
Paddies, wet grassland, coastal flats
Range
Breeds northeastern Siberia and Alaska, winters into Southeast Asia and Australasia
Clutch size
5–6 eggs
Incubation period
About 13 days
Size
Small (16–17cm)
Wingspan
~23–27cm
Weight
~15–20g
A close relative of the Yellow Wagtail, formerly treated as part of that species complex and distinguished by a green-tinged head and yellow throat, occurring in Borneo as a winter visitor.
Shares similar habits with other yellow wagtail forms, feeding on open ground and among livestock, and best separated from related forms by careful attention to head pattern.