How many types of bees can you name? The answer most of you might come up with is honey, or bumble bee. But did you know there are 20,000 species around the world?
We rely on the common bees to carry out most of the world's pollination, but with their numbers dwindling - experts at Reading University say we now need to attract some of the other species to carry out the role - but how?
Divya Kohli reports.