Common Sandpiper Forages at Small Waterfall Shallow Water in Malaysia

common sandpiper actitis hypoleucos common sandpiper searching forage eating waterfall stream greyishbrown wildlife behavior bill asia water rock stone one search peck drink freshwater shallow pick up wader adult nature animal ornithology beak feather wild aquatic avian slow motion plumage closeup waterfowl flowing river hungry walking white underparts malaysia rocky