common sandpiper, palearctic wading bird stands on muddy ground

actitis animal asia beak beautiful bill bird bobbing body brown closeup common feather feathers feet freshwater greyish ground head hypoleucos leg mud muddy nature outdoor outside palearctic plumage pond relax sandpiper seabird shallow small species stand standing summer tails teeter thailand underparts upperparts wader wading water waterbird waterside wetland white wing