Nigel Raine keeps a collection of wild bees in his laboratory at the University of Guelph, in Canada. Farmed honeybees can compete with wild bees for food, making it harder for wild species to survive.

Nigel Raine keeps a collection of wild bees in his laboratory at the University of Guelph, in Canada. Farmed honeybees can compete with wild bees for food, making it harder for wild species to survive.