I don't know about Canada Geese, but Barnacle Geese are a bit famous for the goslings' cliff jumping, which can be seen at http://www.youtube.com/watch?v=i4Dhm8FpjC0&feature=related.

John Puschock
now in Matthews Beach (the part without a beach), Seattle
g_g_allin at hotmail.com
http:www.zbirdtours.com