Ingo Arndt / King Penguin (Aptenodytes patagonicus) colony gathering along river at St Andrews Bay, South Georgia Island, Southern Ocean, Antarctic Convergence. November 2008

Sandra Bartocha / Poppies (Papaver rhoseas) and Cornflowers (Centaurea cyanus) flowering in field of Rapeseed (Brassica rapus) Penzlin, Germany, July 2011.

Niall Benvie / Cornflower {Centaurea sp.} Estonia.

Philippe Clement / Single flower knapweed {Centaurea uniflora} Gran Paradiso NP, Alps, Italy

Martin Gabriel / Cornflowers {Centaurea cyanus} flowering in barley field, Bavaria, Germany

Martin Gabriel / Cornflowers {Centaurea cyanus} flowering in barley field, Bavaria, Germany

Philippe Clement / Mountain cornflower {Centaurea montana} Gran Paradiso NP, Alps, Italy

Philippe Clement / Single flowered knapweed {Centaurea uniflora} Gran Paradiso NP, Alps, Italy

Linda Pitkin / Cornflowers (Centaurea cyanus) growing with grasses and poppy seed heads, locally rare plant,Probably not native at this site. Clandon Wood, West Clandon, near Guildford, Surrey, England, July.

Ernie Janes / Corn Marigold (Glebionis segetum), with Cornflower (Centaurea cyanus) and Poppy (Papaver rhoeas) in hay meadow

Nick Upton / Three Marbled white butterflies (Melanargia galathea) nectaring on Greater knapweed flowers (Centaurea scabiosa) in a chalk grassland meadow, Wiltshire, UK, June.