Missing bees worry scientists

The number of bees buzzing around America and Germany this year has mysteriously dropped, but scientists don't know why.

Millions of the creatures appear to have disappeared or died, and experts are worried that disease or climate change could be harming them.

It's normal for bee numbers to drop over the winter.

But beekeepers say they're finding lots of empty hives and it's really unusual to see numbers drop this low.

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Beekeepers in America are asking their government for help to find out what's wrong with the insects.

It's thought that about a quarter of bee colonies in the US have been affected by the drop in numbers.

And in Germany keepers have warned honey bees could die out if the problem it not investigated.