Interesting article accompanying it too. And one of the children in the background has a bit of a cough, grandma needs to make some tea with honey and lemon.
http://www.theatlantic.com/technology/archive/2012/01/science-can-neither-explain-nor-deny-the-awesomeness-of-this-sledding-crow/251395/#.TxRuTqnBNeM.email
http://www.theatlantic.com/technology/archive/2012/01/science-can-neither-explain-nor-deny-the-awesomeness-of-this-sledding-crow/251395/#.TxRuTqnBNeM.email
