A mallard mother with two ducklings - and a possible father

This mallard hen and her two ducklings were yesterday enjoying the nice afternoon at the Landskrona Citadel. The male in the third picture could be the father, but most likely not, since about  90% of mallard drakes move on and find another mate after the hen's eggs are close to hatching. Fortunately, the hen is well capable of looking after the ducklings without the drake. 

Nearby a baby herring gull was waiting for the food service to continue: