Author 'Crabecanoe' (Id 128923 ) : Saturday, October 9, 2010. Audomarrois marsh in the Pas de Calais. An encounter with a family of swans. The male is perfectly recognizable to the bump at the top of its beak. The duck is more prominent. Parents have an orange bill. Cygnons The three grew up but they are still juveniles. Note the color of their beak is pink and their feathers is still a bit gray.