Knot (Calidris canutus) flock, in flight, at sunset in March, Isle of Sheppey, Kent, England, United Kingdom, Europe

Red Knot, (Calidris canutus) flocking on salt marsh on morecambe Bay, Cumbria, UK, a high tide.

Knot (Calidris canutus) . Soroby, Argyll,, Scotland, UK

Knot (Calidris canutus) walking in shallow water while looking for food in a small beach stream. Soroby. Argyll, Scotland, UK

Knot (Calidris canutus) walking in shallow water while looking for food in a small beach stream. Soroby. Argyll, Scotland, UK

Knot (Calidris canutus). Soroby, Argyll, Scotland, UK

Knot (Calidris canutus) . Soroby, Argyll, Scotland, UK

Large flock of waders, red knots (Calidris canutus) and oystercatchers (Haematopus ostralegus) above the alluvial area Wash, Snettisham, Norfolk, England

Red knot coral (Acabaria biserialis) in the backlight, on a steep wall. Dive site St Johns Reef, Saint Johns, Red Sea, Egypt, Africa

Large flock of waders, red knots (Calidris canutus) and oystercatchers (Haematopus ostralegus) above the alluvial area Wash, Snettisham, Norfolk, England

Fabric Hanging In Front Of Lattice Door, Ise, Japan