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Rooks behavioral study begins

July 1, 2014 Last updated at 10:51 BST

It invites people to study, to help the behavior of some of our most garden birds, crows.

The British charity for Ornithology say crows have remarkable abilities to solve puzzles and demonstrates the tools in laboratory studies.

Now the group wants the public to report their observations of how birds use their skills in nature.

Informa Victoria Gill.