Grey Wagtail Motacilla cinerea seen at the stony edge of the stream wading in the water to forage for some food, Khao Yai National Park, Thailand

watery habitat habitat running water grey wagtail stream motacilla cinerea foraging passeriformes motacillidae conservation motacilla wildlife nature water national park khao yai passerine tropical forest wagtail plants national park in thailand forage migrating rocks migration rainforest flowing forest jungle ambience yellow bird birds small preening lakes unesco grass thailand world heritage siberia yellow tail sharp call feathers move about wagging tropical wings flying pied