All hives have over-wintered. Can they over-spring?

All my current hives (A, D, E, G) are upright (after the recent windy weather) and sound. The hives are fairly heavy, which is reassuring. A peak through the door shows the floor to be fairly clear. Their colonies (1, 4, 8, 12) appear to be fine. They were flying when the weather was warmer; there is evidence of activity on the base board.

The base boards have darker chewed wax which usually means brood hatching. It's hard to know when this was fell because I've only occasionally looked. It does suggest that there has been a slow but steady rearing of brood.

Bees flying and foraging at Headington Hill Hall perpetual hive

The bees in the perpetual hive in Headington Hill Hall park were flying at 1pm today -- 13th February.

There were flights every 3-5 seconds and I saw one bee land near me which had dark red pollen baskets. I couldn't check that she was carrying pollen but it seems the most likely. There were red Hellebores nearby which I think were probably the source of the pollen

The flowers in bloom nearby were