The bumblebees have been around for about a week. But it was only yesterday that I saw them feeding on the willow tree in the garden. Willow is an important early pollen source for bumblebee queens coming out of hibernation. This is what they are after.
There appears to two bees, the White-tailed bumble and the Buff tailed bumble. These are usually the first bees we see here in the west.