Bumblebee Conservation Trust on Twitter: "If you happen to discover a hibernating #bumblebee while digging in the garden, try to avoid disturbing her too much and loosely re-cover her to allow her
Bumblebee in hibernation : r/aww
Bumblebees begin to emerge from hibernation - Independent.ie
Bumblebee mating, death and hibernation; Stage 4 in the lifecycle of a bumblebee colony