Telephoto shot of three sanderlings foraging along intertidal coastal zone

sanderlings calidris alba foraging intertidal coastal strandloper wader birdlover nature sandploughman sandpipers telephoto three wading bird shorebird drieteenstrandloper waterbird ornithology birdspotting low angle intertidal zone sanderling sandpiper wildlife birder forage mud flats marine bird birdwatcher seabird wetland birdlife coast birdwatching bird avian aves wild probing shallow focus shallow depth fauna birds bird behavior wilderness birding bill reflection