foraging curlew sandpiper calidris ferruginea

action activity animal animals aves avian behaviour birds calidris catch charadriiformes concept curlew eat europe fauna feeding ferruginea food foraging ghadira horizontal hungry malta migrant migration migratory morning mud natrure nobody one outdoors over passage placid prey probe probing quiet reserve sandpiper scolopacidae shallow shore shorebirds side spring stop sunny view waders water wildlife