Motacilla alba bird or white wagtail resting on stone peeking out of the water, shake body puffs its feathers out and poo, small brook cascades in background

white wagtail amur wagtail white wagtail bird motacilla alba water stream river color plumage wing walk rock willie pied blackbacked japanese pied closeup macro detail one single animal stone stand rest relax cascade waterfall small raging shake body habitat feather rainforest ruffling feathers puff ruffle wilderness wild wildlife shallow scenic puffing out poop excrement