Queen bumblebees are emerging too early from hibernation •

This change may lead to the loss of various bumblebee species, reducing the pollination of crops and wild plants.

Bumblebee Conservation - Bumblebee Conservation Trust

Country diary: the bumblebees' low drone has replaced the hum of traffic, Bees

The yearly lifecycle of the bumblebee colony

Bumblebees begin to emerge from hibernation

Beware of sleeping queen bees underfoot this spring!

Bumblebee mating, death and hibernation; Stage 4 in the lifecycle of a bumblebee colony

bumble bees of Florida, Bombus spp.

How to help revive a cold or wet bee • Save Bees

Bumble Bee Queens Searching For Nest Sites

The Seasonal Bumblebee Keeping Backyard Bees

Bumble Bees: Nesting and Overwintering