Grey Wagtail Motacilla cinerea seen perched on a twig wagging its tail and shaking its body in Khao Yai National Park, Thailand

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