Prompted by the Garden Smallholder, I thought I would check if we had any eggs, but no. Amber did lay three at the beginning of the month, having laid nothing before that since the 12th January, so I thought it was possible. Anna and Bella are still a bit young. We probably have to wait another couple of weeks.
The chickens were alert and very wary and all the other birds in the garden sounded agitated. The reason was clear:
This heron was perched atop a tree in the next-door but one neighbour's garden.