France, Somme (80), Baie de Somme, Le Crotoy, Hérons garde-boeufs (Bubulcus ibis - Western Cattle Egret) et vaches Higland Cattle au marais du Crotoy // France, Somme (80), Somme Bay, Le Crotoy, Western Cattle Egret (Bubulcus ibis) and Higland Cattle at the Crotoy marsh