Uses for Tennis Balls in the Garden

A good gardening friend of mine uses tennis balls to make a gardening frame and found that the tennis balls are useful for bluetits too, Take a look at the photo of the bird using the tennis ball on this website:

http://mygarden.rhs.org.uk/blogs/miranda_hodgson/archive/2012/04/14/bluetits-find-a-good-use-for-tennis-balls.aspx

Source: http://mygarden.rhs.org.uk/blogs/miranda_hodgson/archive/2012/04/14/bluetits-find-a-good-use-for-tennis-balls.aspx

By Richard from UK