The breeding season for Hastings' rooftop herring gulls is well under way, with chicks hatching all over the place. On our rooftop, the roof valley site has once again acquired considerable nesting debris but there is no sign of actual nesting here. However, on the top chimney at least one chick has hatched. You can see it below, just to the right of the middle chimney pot, while its parents stand guard. I would estimate it's a week or so old.